He improved on his invention. 他把他的發(fā)明作了改進。
He went to the police and informed against (on) the criminals. 他向警察告發(fā)了那些犯罪分子。
The pilot inquired about the weather conditions. 飛行員詢問天氣情況。
She inquired after my mother (my mother's health). 她問候了我的母親。
A man has been inquiring for you at the office. 有人到辦公室要求見你。
The police inquired into her background. 警察調(diào)查了她的背景。
She insisted on writing at once. 她堅持要馬上寫信。
No one wants to interfere with you. 沒人想干預你的事。
This would involve him in serious trouble. 這會使他陷入很大的麻煩。
Finally they ironed out their differences. 最后他們消除了分歧。