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。
:
illuminatebrightenglowshineradiate
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。
:
brightengleamsparklebeamradiate
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。
:
ignitesparkkindlesmoke
:
lightlightinglightnessin the light oftraffic lighttraffic lightslight bulb