1.保证,担保,确告,郑重宣告
2.使安心,让...放心,包
3.使确信
4.给...保险
1.保证,担保,确告,郑重宣告
2.使安心,让...放心,包
3.使确信
4.给...保险
1.to tell someone that something will definitely happen or is definitely true, especially in order to remove doubt about it
2.to do everything that you can in order to make certain that something happens