(figuratively) to sit on the sidelines, not to partake in something, to stand in the corner doing nothing; to be a wallflower

to embellish / to be good / to be nice to

(impersonal, of the weather) to be bad

(transitive with à) to compete with, to challenge

(informal) to fool [+ à (object)]

(religion) to do penance, to expiate one's sins, to admit one's faults, to acknowledge one's faults

(transitive with de); (transitive with à); (reflexive)

(impersonal) for the weather to be nice, for it to be nice outside

(informal, impersonal, of the weather) to be bad

(transitive with à) to give credit to someone, to allow someone to pay later, to allow delayed payments