Here is a true story. A reader submission in the BBC languages column Your Say describes a group of Dutch women having a drink at a pavement table in Paris's Latin Quarter when a street artist approached and asked, in French, whether one of them would like her portrait painted. One of the women did not speak French, so she turned to her friends and asked in Dutch: "Portret? Nu?" She meant "a portrait? now?". Unfortunately Dutch nu, meaning now, is spelled exactly like French nu, meaning naked. The artist did not wait for a translation. He went red and waved his hands: "Non non, pas nu, pas nu!" — no, no, not naked, not naked. The contributor writes that it took her a while to stop laughing before she could explain the mix-up to both her friends and the artist.
Linguists have a fine name for words like this: false friends, or faux amis in French. They look alike and sound familiar, yet their meanings have wandered off, and that familiarity is precisely what lowers a translator's guard. The BBC column, language service blogs such as Ablio and Language Connections, and teaching articles at Speak Fast Languages all keep long collections of reader submissions. The following are among the most widely repeated.
Spanish embarazada means pregnant, not embarrassed; so "I don't want to embarrass you", carried over word for word into Spanish, becomes an offer no one intended, and the Ablio article calls it one of the most mortifying false friends there is. Language Connections records a real awkward moment in a student bar in Spain: an undergraduate from the Gulf wanted to say she was too warm and declared "¡Estoy caliente!", a phrase with a rather different implication locally, and the looks on the faces around her told her at once what had happened. Then there is a quieter set of traps. English constipated versus Spanish constipado, which means having a cold; English library versus Spanish librería, which is a bookshop; English sensible, meaning reasonable, versus French sensible, meaning sensitive, so "she's very sensible about it" can land as "she's very touchy about it" to a French ear. German bald means soon and has nothing to do with a hairless head; Swedish kiss, Malay air and French pile mean urine, water and batteries respectively, while the same-looking English words mean something else entirely. Chinese readers have their own familiar examples: Japanese tegami is a letter, daijobu means it is all right, and benkyo means study, so reading the characters at face value sends the meaning off in three different directions.
Why it is the familiar words that trip us up
False friends do not appear at random. Language blogs usually trace them to three paths. The first is divergence from a shared root: two languages start from the same ancestor and drift apart over centuries, keeping the family resemblance in spelling while the meanings separate. The second is a borrowed word changing sense: a word enters another language carrying only one corner of its original meaning, or is given a new one. The third is slang and colloquial drift: the first dictionary sense stays respectable while everyday usage has already moved on, which is where that unfortunate ¡Estoy caliente! belongs. What all three share is that they look familiar enough that nobody thinks to look them up. Genuinely technical terms and obvious high-frequency words are safer, because everyone keeps a little suspicion about those.
Public signs fall into the same trap
Put the same problem on a large sign and the joke becomes impossible to miss. Speak Fast Languages collected a set of much-quoted examples: a cocktail bar in Norway asking ladies not to have children in the bar, when it meant no children admitted; a ticket office in Copenhagen offering to take your bags and send them in all directions, when it meant forwarding luggage; a zoo in Budapest asking visitors with suitable food to hand it to the guard on duty; a clinic in Rome advertising a specialist in women and other diseases; and a hotel in Mexico solemnly assuring guests that the manager had personally passed all the water served there. The grammar is mostly fine. What fails is the writer reaching for a word in their own language and assuming the other language uses it the same way — exactly what happened when the artist in Paris heard nu.
Four small habits that help
After the laughs, back to work. Experienced translators do not rely on memory against false friends; they rely on a few slightly clumsy habits. First, the smaller and more obvious a word looks, the more it deserves a half-second pause, because the mistake is usually made in the half-second saved by not checking. Second, never judge a word in isolation: read verbs in their collocations and nouns in their context, since embarazada and embarrassed look innocent alone and only reveal themselves inside a sentence. Third, keep a private list of traps you have stepped in, grouped by language pair, and scan it before taking on similar work; it is steadier than instinct on the day. Fourth, where identity, health or legal consequences are involved, back-translate the key sentences, or ask a second person to read only the translation, without the original, and say what they understood — if the understanding bent, the translation bent. These habits cover precisely the part that automated comparison cannot: a system can check names, dates and reference numbers, but a meaning that looks aligned and is not usually needs one willing sceptic.
To finish
That is why the Dutch "now?" and the artist's "not naked" are worth remembering for a long time: the place where a language looks most like a friend is sometimes the least trustworthy. In the industry article, a barcode library in a Hangzhou bonded warehouse pins a product's identity to a set of checkable fields; in the company article, a certification system compares names, dates and numbers cell by cell. Once every countable field has been counted, what remains — a tone, an implication, a word that looks far too familiar — still waits for a person to raise a hand. Much of the pleasure in this job lives in that half-second.
The jokes and submissions here come from reader contributions to BBC Languages Your Say: False Friends, the Ablio and Language Connections language service blogs, teaching articles at Speak Fast Languages, and publicly available language-learning collections. All people are described generically and no specific individual is identified.