light up

US /laɪt ʌp/
UK /laɪt ʌp/
"light up" picture
1.

点亮, 照亮

to illuminate or make something brighter

:
The Christmas tree began to light up as soon as it was plugged in.
圣诞树一插上电就开始亮起来了。
The city skyline began to light up as dusk fell.
黄昏时分,城市天际线开始亮起来
2.

容光焕发, 眼睛发亮

to make someone's face or eyes show pleasure or excitement

:
Her face lit up when she saw the surprise gift.
她看到惊喜礼物时,脸上亮了起来
His eyes lit up with excitement at the news.
听到这个消息,他的眼睛亮了起来
3.

点燃, 吸烟

to start smoking a cigarette, cigar, or pipe

:
He decided to light up a cigarette after dinner.
晚饭后他决定点燃一支烟。
Please don't light up in here; it's a non-smoking area.
请不要在这里吸烟;这里是禁烟区。