hold the fort
US /hoʊld ðə fɔrt/
UK /hoʊld ðə fɔrt/

1.
照看, 代為管理, 堅守崗位
to take care of a place or situation while someone else is away
:
•
I'm going out for a bit, can you hold the fort until I get back?
我出去一下,你能照看這裡直到我回來嗎?
•
While the manager was on vacation, his assistant had to hold the fort.
經理度假期間,他的助理不得不代為管理。