easier said than done

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