(informal) roughly, approximately, give or take

(transitive with à) (informal, figuratively) to buttonhole someone, to detain someone, to keep talking to someone so that they cannot leave

to stand guard, to keep watch

(transitive with de) to go to the trouble of doing something, to take the trouble to do something, to bother to do something, to take the time to do something

(vulgar) to be fucking blind, to not notice the obvious

to make small talk, to chit-chat

to lower one's guard

break the bank

(colloquial, offensive, euphemistic, by ellipsis) to shut up (refrain from speech)

(informal) not to go in for half measures