be an effort

成語所屬單字efforts

be an effort — 慣用語

1. used to say that a particular activity is very hard, tiring, or boring, so that

1.慣用語
釋義

費力的事；辛苦的事

used to say that a particular activity is very hard, tiring, or boring, so that it requires a lot of energy just to complete it

例句

After her illness, walking up the stairs was an effort for Ingrid, so she rested often.

It is an effort for Stefan to stay awake during long meetings after lunch, especially in a warm room.