①meandoingsth意味着做某事
eg:Missingthetrainmeanswaitingforanhour.
错过这趟火车,意味着再等一个小时.
②meantodosth意欲做某事(=wanttodosth)
③——Youarejoking!你是开玩笑吧!
——No,Imeanit.不,我是认真的.
④Whatdoyoumeanby……?
eg:Whatdoyoumeanbysayingthat?
⑤havemeaningtosb对某人来说有重大意义.
⑥byallmeans“一定”、“无论如何”、“用一切手段”.