stand by

袖手旁观；准备行动；忠于；支持

She told friends she will stand by husband, despite reports that he sent another woman love notes.(她告诉朋友说，她将支持丈夫，尽管有报道说他在给别的女人递情书。)

Stand by you forever.(永远在你身边。)

Go home to your Nance and your kids, and stand by till you hear from me.(回家去找你的保姆和你的孩子们吧，在那儿等着我的消息。)

This does not mean the west should stand by in silence.(这不是意味我们这些西方人就应该保持沉默，坐视不管。)

Stand by to meet her when she comes!(她来时，准备迎接她！)

I was making real progress. I was determined to stand by myself.(我真的大有进步了，我决定自己站起来。)

Don't just stand by. Can't you lend a hand?(别袖手旁观！你不能帮一下忙吗？)

We can't simply stand by wringing our hands. We have to do something.(我们不能只站着搓手，我们得做点什么。)

He mistakenly believed that his family would stand by him.(他误以为他的家人会支持他。)

Officials stand by the new numbers, but others are not so sure.(官方支持新的数字，而其他的人却对此数字却并不太肯定。)

verb

1. be available or ready for a certain function or service

Synonym: stick aroundstick about

2. be loyal to

e.g. She stood by her husband in times of trouble
The friends stuck together through the war

Synonym: stick bystickadhere

3. not act or do anything

e.g. He just stood by when the police beat up the demonstrators

1. 做好准备;准备行动
If you are standing by, you are ready and waiting to provide help or to take action.

e.g. British and American warships are standing by to evacuate their citizens if necessary...
英国和美国的战舰已准备好在必要时将本国公民撤离出去。
e.g. We will be holding the auditions from nine o'clock tomorrow night so stand by for details.
我们将于明天晚上 9 点开始进行拍卖，请静候详细信息。

2. 坐视不理;袖手旁观
If you stand by and let something bad happen, you do not do anything to stop it.

e.g. The Secretary of Defence has said that he would not stand by and let democracy be undermined...
国防部长已经表示自己不会坐视民主遭到破坏。
e.g. The police just stood by and watched as the missiles rained down on us.
当投掷物雨点似的落到我们头上时，警察只是袖手旁观。

3. 继续支持(尤指身处困境的人)
If you stand by someone, you continue to give them support, especially when they are in trouble.

e.g. I wouldn't break the law for a friend, but I would stand by her if she did.
我不会为朋友去犯法，但如果她犯了法的话我会支持她。

4. 坚持，遵守，信守(原有的决定、承诺或宣言)
If you stand by an earlier decision, promise, or statement, you continue to support it or keep it.

stand by

e.g. The decision has been made and I have got to stand by it...
决定已经作出了，我必须要遵守。
e.g. He continues to insist that all he wrote in the book is nothing but the truth, and that he will stand by his word.
他仍坚持说，他在书里写的全都是事实，他会信守自己说过的话。