onerous

US /ˈɑː.nɚ.əs/
UK /ˈɑː.nɚ.əs/
"onerous" picture
1.

繁重, 麻煩, 費力的

involving a great deal of effort, trouble, or difficulty

:
The new regulations impose onerous burdens on small businesses.
新規定給小企業帶來了繁重的負擔。
He found the task to be quite onerous.
他覺得這項任務相當繁重