IdiomDaily LifeFrench

N’avoir qu’à bien se tenir

Meaning: A warning or threat implying that one must behave properly or face consequences.

Literally: To have only to hold oneself well

Example: “Le nouveau proviseur est strict : les élèves n'ont qu'à bien se tenir.” — The new principal is strict: the students had better watch their step.

English equivalent: To watch one's step

Equivalents in other languages

Origin: Se tenir is to behave, as in se tenir bien à table, and n'avoir qu'à is to have only to. Literally "they only have to behave," the phrase is always a warning that anyone who does not will face the consequences. It is said of the pupils of a strict new headteacher or of an opponent about to meet a strong team, and has no story beyond that.

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