Idiots and other incompetents need someone to look after them.

白痴和其它弱智者需人照料他们。

The incompetents are the ones who invariably make trouble for people other than themselves.

无能的人总是给别人制造麻烦而不是给自己制造麻烦.

Capacity - to - contract issues generally involve minors, mental incompetents, intoxicated persons and drug addicts.

缔约能力问题通常包括未成年人, 精神不健全人, 醉酒者及药瘾者.