have your work cut out (for you)
US /hæv jʊər wɜrk kʌt aʊt (fɔr ju)/
UK /hæv jʊər wɜrk kʌt aʊt (fɔr ju)/

1.
面臨艱鉅的任務, 有大量工作要做
to have a difficult or challenging task to complete
:
•
If you want to finish this project by Friday, you'll have your work cut out for you.
如果你想在週五前完成這個項目,你將面臨艱鉅的任務。
•
After the storm, the cleanup crew really had their work cut out for them.
暴風雨過後,清理人員真的面臨著艱鉅的任務。