stand by

v.袖手旁观, 准备行动, 忠于, 支持

例句与用法：

How can you stand by and let him treat his dog like that?

他那样虐待他那只狗，你怎么能袖手旁观呢？

I'll stand by you whatever happens.

无论如何，我都支持你。

详细释义：

ph.

1. 站在旁边, 旁观

2. 帮助; 与……合力; 支持

3. 准备; 待命; (无线电)正准备收报(发报)