1、意思：做好准备;准备行动，坐视不理;袖手旁观 ，继续支持(尤指身处困境的人) ，坚持，遵守，信守(原有的决定、承诺或宣言)。
2、例句：
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。
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。
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。
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。
3、词汇搭配：
stand by power：备用功率
stand by sth：信守...
stand by pump:备用泵
stand by engine:备车主机准备
扩展资料
同义词：
1、plunk for
英 [plʌŋk fɔ:] 美 [plʌŋk fɔr]
拥护，维护，支持
例句：The voters seemed to plunk for the Labour Candidate. 选民们似乎要投票支持工党候选人。
2、support
英 [səˈpɔ:t] 美 [səˈpɔ:rt]
支持;维持;支持者;支集;支撑物
例句：These measures are strongly supported by environmental groups. 这些措施得到环境保护组织的大力支持。