Definition: not suitable or good enough Level: B2
该建筑被宣布不适合人类居住。
The building was declared ___unfit for human habitation.
汽车还会排放一氧化碳，使空气变得不适合呼吸。
Cars also emit carbon monoxide and make the air ___unfit to breathe.
这块肉已经变质，不适合食用了。
This meat has gone bad and is ___unfit for human consumption.
