(figuratively, transitive with à) to raise one's glass to (someone), to salute (someone)

(figuratively) to hold one's own (to demonstrate oneself to be capable; to provide a respectable performance or worthy competition)

(vulgar) to shit oneself (to be very afraid)

(idiomatic) to keep one's cool; to keep a cool head

(figuratively) to change tack, change one's tune (change ideas)

to lose one's cool; to lose one's head

to each his own

(informal, figuratively) to be worth one's weight in gold

one of a kind

within one's rights