During the translation of the New Testament into Huixtán Tzotzil, translation consultant Marion Cowan found that questions where the answer is obvious, affirmative rhetorical questions, as well questions raising objections tended to cause confusion among the readers. So these are rendered as simple or emphatic statements.

Accordingly, Matthew 6:27a reads “Even if you worry a lot, you cannot make longer your time of living.”

Source: Marion Cowan in The Bible Translator 1960, p. 123ff.