"to deal successfully with a difficult situation: ??????ng ?????u v???i, ?????i ch???i v???in. a type of entertainment which includes several separate short performances, such as singing, dancing, magic tricks and telling jokes: c?? t??nh gi???i tr??n. a test done in order to learn something or to discover whether something works or is true: th?? nghi???m, th??? nghi???m?????t m???t gi???i th?????n" . . . .