a. below the required standards for a purpose
a. not in good physical or mental condition; out of condition
a. 不适当的, 不胜任的, 不健康的
vt. 使不相宜, 使不合格
1. She felt unfit to run the marathon after being sick for a week.
她在生病了一周后觉得自己不适合参加马拉松。
2. The old bicycle was unfit for riding and needed repairs.
这辆旧自行车不适合骑行，需要修理。
3. He realized he was unfit for the job and decided to resign.
他意识到自己不适合这份工作，于是决定辞职。