(informal) to be not much to look at

(figuratively) to hang by a thread

(figuratively) to hang by a thread

to know full well, to know very well

(proscribed) to know full well

to talk for the sake of talking, to waffle, to blow smoke

(informal) to do every stupid thing possible, to commit every blunder conceivable, to make gaffe upon gaffe, to do one silly thing after the other

(informal, transitive) to follow (someone) everywhere, to stay close to (someone) all the time, to breathe down someone's neck, to stick to (someone) like glue, like a leech, to dog (someone's) footsteps

Alternative form of ne pas lâcher d'une semelle

you only go around once, you only live once, YOLO