英语翻译求地道，表达。说法应该挺多，常用的就OK

他很懂事
He's quite sensible.
He's very thoughtful.
He's a thoughtful person.
他非常不懂事
He's not quite sensible.
He's not very thoughtful.
He's not a thoughtful person.
He does not care about others (feelings).
这个一般应该指小孩子为多,或者可以这样
他很懂事
He's very considerate.
He behaves.
就想到这几个

he is very mature. 或 he is quite sensible. 懂事
he is quite immature. 或 It is very thoughtless of him. 不懂事