knock together
US /nɑːk təˈɡeð.ər/
UK /nɑːk təˈɡeð.ər/

1.
匆匆做, 草草搭起
to make or build something quickly and roughly
:
•
We need to knock together a quick meal before the guests arrive.
客人都來之前,我們需要匆匆做一頓飯。
•
He managed to knock together a makeshift shelter from branches and leaves.
他設法用樹枝和樹葉搭起了一個臨時住所。