臨時負責某人嘅工作 (to temporarily substitute somebody on a job)
動詞用例
我想去洗手間啊,你可唔可以幫我頂住檔一陣先啊?
ngo5 soeng2 heoi3 sai2 sau2 gaan1 aa3, nei5 ho2 m4 ho2 ji5 bong1 ngo5 ding2 zyu6 dong3 jat1 zan6 sin1 aa3?
I need to go to the washroom, can you cover for me for a while?
勉強代替另一事物嘅用途 (to temporarily substitute something on a function)
用例
部電話壞咗,用部舊機頂住檔先。
bou6 din6 waa2 waai6 zo2, jung6 bou6 gau6 gei1 ding2 zyu6 dong3 sin1.
The old phone is not working. Use the old one to substitute first.