elbow grease
US /ˈel.boʊ ˌɡriːs/
UK /ˈel.boʊ ˌɡriːs/

1.
體力勞動, 艱苦工作
hard physical work, especially vigorous polishing or cleaning
:
•
This old car needs a lot of elbow grease to get it shining again.
這輛舊車需要大量的體力勞動才能再次閃亮。
•
Cleaning the entire house will require some serious elbow grease.
打掃整個房子需要付出很大的體力勞動。