含苞待放

in bud / budding

to keep / to contain / to suck (keep in your mouth without chewing)

(of a plant) to be in bud

bud / flower calyx / luxuriant / profuse

to stay

to wait / to treat / to deal with / to need / going to (do sth) / about to / intending to

to put / to place / to release / to free / to let go / to let out / to set off (fireworks)