He went to China to learn the Zhuang languages.

He should stop spouting foul language and speak more politely.

He is learning the technique of suturing.

The doctor sutured his wound.

His nickname is 'Samurai'.

He is actively participating in the defense of the constitution.

He can speak Estonian.

He can speak the Rade language.

He fought a court battle to gain custody of his child.

She undertook the custody and care of the child.