The Greek in Mark 3:21 that is translated as “beside himself” or “lost his mind” or other variations in English is (back-) translated by the following languages like this:
Tzeltal: “his head had been touched” (“an expression to identify what might be called the half-way stage to insanity”)
The Greek and Hebrew terms that are translated as “hypocrite” in English typically have a counterpart in most languages. According to Bratcher / Nida (1961, p. 225), they can be categorized into the following categories:
those which employ some concept of “two” or “double”
those which make use of some expression of “mouth” or “speaking”
those which are based upon some special cultural feature
those which employ a non-metaphorical phrase
Following is a list of (back-) translations from some languages:
Mazahua: “have a swollen mouth” (from too much speaking)
Tai Dam: “have a straight mouth and a crooked heart”
Kongo: “the bitterness of white” (an idiom based on the fact that white-wash looks nice but tastes bitter)
Merina Malagasy: “spread a clean carpet” (an expression used in Madagascar to describe one who covers up the dirt of an unswept floor just before the arrival of guests)
Zanaki: “those who make themselves out to be good”
Tetelcingo Nahuatl: “those who deceive” (this and all examples above acc. to Bratcher / Nida 1961, p. 225)
Kafa: “one who makes as if his belly is clean” (source: Loren Bliese)
Bauzi: “good on top person” (source: David Briley in Kroneman (2004), p. 502)
Tibetan: kha chos pa (ཁ་ཆོས་པ།), lit. “mouth + religion + person” (used for instance in Matt. 7:5) or sgyu zog can (སྒྱུ་ཟོག་ཅན།), lit. “deception + fraud + person” (used for instance in Matt. 24:51) (source: gSungrab website )
Low German: “actor in a comedy” (translation by Johannes Jessen, publ. 1933, republ. 2006)
Lélé: ne kub so or “make mouth two” (source: Andy Warren-Rothlin)
The Latvian term liekulis was likely coined by the Bible translation of Ernst Glück (1654–1705) in the late 17th century and is still being used today (source ).
The English version of Sarah Ruden (2021) uses “play-actor.” She explains (p. li): “A hupokrites is fundamentally an actor. The word has deep negativity in the Gospels on two counts: professional actors were not respectable people in the ancient world, and traditional Judaism did not countenance any kind of playacting. I write ‘play-actor’ throughout.”
The Greek in John 3:16 that is translates as “(God) gave his only son” in English is translated in Amganad Ifugao as “(God) sent his only son” because “you can give animals and things, but you can’t give people.” (Source: Larson 1998, p. 86)
The Greek that is translated with “deny himself” or “deny oneself” is according to Bratcher / Nida “without doubt one of the most difficult expressions in all of Mark to translate adequately.” These are many of the (back-) translations: