1 idiot

2 fool

1 vile

2 nasty

3 of very poor quality

1 papaya (Carica papaya)

2 genus Chaenomeles of shrubs in the family Rosaceae

3 Chinese flowering quince (Chaenomeles speciosa)

1 watermelon

2 classifier: 颗 kē

3 classifier: 粒 lì

4 classifier: 个 ge

1 cucumber

2 classifier: 条 tiáo

1 misshapen

2 crooked

3 uneven (idiom)

1 lit. If the upper beam is not straight, the lower beam will be crooked (idiom); fig. subordinates imitate their superiors' vices

1 survival of the fittest (idiom)

1 local bosses, shady gentry (idiom); dominant local mafia

1 lit. if you have to use force to break a melon off the vine, it won't taste sweet (because it's only when the melon is ripe that it can be removed with just a slight twist) (idiom)

2 fig. if sth is not meant to be, it's no use trying to force it to happen