hòu​bǔ

to wait to fill a vacancy

候补 候補 hòu​bǔ
to wait to fill a vacancy
To be a candidate for a vacancy; to be an alternate or substitute who is waiting to fill a position.
alternate
To be a candidate for a vacancy; an alternate, reserve, or substitute person waiting for a formal qualification or position

Frequency

Movie subtitles
2.86 per million appears in 1% of films
Written text
1.33 per million

Sources