adj.不合适的；不健康的
vt.使不合格
The water is unfit for drinking. 这水不宜饮用。
This house is unfit for human habitation. 这所房子不适合人居住。
The army rejected him as medically unfit. 由于体检不合格，部队未接收他。
You're very unfit; you ought to take up running. 你身体很弱，应该练练跑步。
n.不适当；不胜任；不健康
