it is doubtless that ... 对什么毫无异议arg:A:do you say whether he can pass this exam ? B:ture,it is doubtless argee with sb赞同某人,引申为相信 A:i believe him. B:agree with you to accept sth. as true 相信 A:he is promoted recently . B:i am to accept it as true,because he has been working hard.be convinced 相信 A:i think you can pass this exam B:you are convincedbelieve 相信