1. The system is on standby in case of failure.
系统处于待机状态以防故障。

2. We kept the team on standby for emergencies.
我们让团队随时待命以应对紧急情况。

3. My phone is always on standby.
我的手机一直处于待机状态。

4. Passengers were placed on standby for the next flight.
乘客被列入下一班航班的候补名单。

A: Are you on standby for the meeting?
A：你在为会议待命吗？

B: Yes, I am ready if they need me.
B：是的，如果需要我我随时准备好。

1) 待命状态，随时准备行动

2) 备用设备或系统模式

3) 航空或交通中的候补状态

4) 电子设备的节能待机

1. 待命；备用状态

e.g. The engineers are on standby for repairs.
工程师们待命进行维修。

2. 候补（机票、座位等）

e.g. She got a standby ticket for the flight.
她拿到了航班的候补机票。

noun / adjective / verb

1. Ready to be used or activated when needed; in a state of readiness or backup.

Synonym: reserve, backup, waiting