stand by
US /stænd baɪ/
UK /stænd baɪ/

短语动词
1.
袖手旁观, 坐视不理
to be present while something bad is happening but not do anything to stop it
示例:
•
He just stood by and watched the bullying happen.
他只是袖手旁观,看着欺凌发生。
•
How could you stand by and let them treat her like that?
你怎么能袖手旁观,让他们那样对待她?
2.
3.
待命, 准备就绪
to be ready to act or to be used if needed
示例:
•
Emergency services are on stand by.
紧急服务处于待命状态。
•
The backup generator is always on stand by in case of a power outage.
备用发电机始终处于待命状态,以防停电。
在 Lingoland 学习这个单词