Translation of "self-" into Chinese

Saeb thinks mathematicians are self-contained walking pieces of heaven.

賽義認為數學家自給自足的獨行於一小塊天堂。

For example, if a chain-smoking teacher cautions a pupil for smoking, that warning is self-contradictory.

舉例說,如果一個老師警告學生不要吸煙,但自己卻每天吸個不停,那麼這個警告就是自相矛盾的了。

First Contact became humanity's salvation as it was at the brink of self-destruction.

在人类自我毁灭的边缘,第一次接触成了福音。