light(sth)up
—phrasal verbwithlightverbuk/laɪt/us/laɪt/litorlighted|litorlighted
(EXPRESSION)
Ifyourfaceoreyeslightup, or if asmilelightsupyourface, yousuddenlylookhappy.
使高兴起来，（使）显出笑意
Rosie'swholefacelitupwithexcitementwhen shesawthepresents.看到礼物的时候罗茜满脸兴奋。
(CIGARETTE)
tolightacigarette
点烟；点着（烟）
I waslightingup when Inoticeda "nosmoking"sign.我点烟的时候才发现有一块“禁止吸烟”的牌子。