Meaning of dài mìng:
dài mìng
待命
Verb
to be on call; to be on standby
Yīshēng bìxū shíkè dàimìng, yǐ yìngduì túfā qíngkuàng.
医生必须时刻待命,以应对突发情况。
Doctors must always be on call to handle emergencies.
Tā zài bàngōngshì lǐ dàimìng, yǐ fáng yǒu jǐnjí qíngkuàng.
他在办公室里待命,以防有紧急情况。
He is on standby in the office in case of an emergency.

