C2 做…很难（费劲、乏味等）
to be difficult, tiring, or boring to do
I'm exhausted all the time, and everything is a real effort. 我总是觉得精疲力尽，无论做什么都很费劲。
Finding a route through the mountains was a bit of an effort.
She remained civil, but it was an effort.
It's a real effort to remember all those names.
He could see her distress and it was an effort to continue.
My legs felt weak and it was an effort to keep moving.
See also: effort