1.assure to使确信;使放心;确保
例句: I can assure you that your son will be happy here.
我可以向你保证,你儿子在这里会很快乐的。
2.enter into进入; 参加; 建立; 开始
例句:I refused to enter into any correspondence (ie exchange letters) with him about it.
我决不就这一问题与他通信。
3.lost in沉迷在(热衷于)
例句:He looked up at the azure and was lost in thought.
他抬头看着蓝天,沉思起来。
4.intreat him to恳求; 乞求
例句:They intreat me to acquaint her with it.
他们一定要我把这件事告诉她。