easier said than done
US /ˈiːziər sɛd ðæn dʌn/
UK /ˈiːziər sɛd ðæn dʌn/

1.
說起來容易做起來難
something that sounds simple but is difficult to achieve
:
•
Losing weight is easier said than done.
減肥說起來容易做起來難。
•
Finding a new job quickly is easier said than done in this economy.
在這種經濟形勢下,快速找到新工作說起來容易做起來難。