look on
US /lʊk ɑːn/
UK /lʊk ɑːn/

短语动词
1.
旁观, 袖手旁观
to watch something happen without becoming involved in it
示例:
•
Many people just looked on as the accident happened.
许多人只是旁观着事故的发生。
•
I couldn't just look on while he struggled.
我不能只是袖手旁观,看着他挣扎。
在 Lingoland 学习这个单词