stand by

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。

1. stand by的反义词

1. 支持：去年曾经参加戛纳电影节的<>亦获奖四项,分别是最佳导演、最佳音效和最佳剪辑,以及塞吉.卢佩斯(Sergi Lopex)获得的最佳男主角. 最佳女主角奖则落在<>(Stand By)的多明妮克.布兰克(Dominque Blanc)手上.

2. 待命：A: 待命(或休眠)模式定义: 待命(Stand By):当系统进入此模式时,允许系统及应用程序将执行状态储存于内存(RAM)当中,此时计算机仅使用少量的电源来维持系统数据的记忆状态; 可按一键即可回复执行状态.

3. 准备：这个定量注料机,其实很简单,就是在料桶上加装一个气压缸,作调节控制用;把气压开关制成一把枪的形状,一扣板机,气压缸就前进,如同打针的针筒将PVC混合液注射进头模里,放掉板机则气压缸回复原位,同时吸进定量的塑料,在预备位置准备(stand by)下一次的注射.

4. 等待：一些消费者看完电视,喜欢用遥控器关电视机,让电视机处于等待(sTAND BY)状态. 其实这种习惯很不好. 因为在这种状态下,电视机中的高压电路虽已关断,但辅助回路(电视控制芯片所用的电源)、消磁回路等仍处于工作状态,并与220V的电源相连.