The expression " mark (mark) my words" means listen carefully to what I'm saying and remember this.

“mark(mark)my words”这个表达的意思是仔细听我说的话并记住这一点。

The expression " mark my words" is used to indicate to the person listening to you that you are going to say something important.

“记住我的话。 ” “记住我的话” 这个表达是用来向听你说话的人表明你要说一些重要的话。

Beside the driver there sat a man who could not have been more than thirty years of age, but whose massive head and resolute expression marked him as a leader.

在驭者的旁边，坐着一个人，年纪不过卅岁，但是他那巨大的头颅和坚毅的神情，一看就知道他是一个领袖人物。