on all fours
US /ɑn ɔl fɔrz/
UK /ɒn ɔːl fɔːrz/
成语
四肢着地, 手脚并用
on hands and knees
示例:
•
The baby crawled on all fours across the floor.
婴儿四肢着地爬过地板。
•
He dropped his pen and had to get down on all fours to find it under the desk.
他掉了笔，不得不四肢着地到桌子下面去找。