tell

　　A. vt. （1）告诉；讲

　　Tell me your name.  He told us what had happened to him.

　　I’ll tell you what to do next.      Don’t tell me. Let me guess.

　　Do as you are told to.

　　(2)判断

　　I really can’t tell the differences between them.

　　I can hardly tell Kate from her twain sister.

　　=I can hardly tell Kate and her twain sister apart.

　　B.习语

　　tell A and apart= tell A from B区分开A与B

　　to tell the truth说老实话

　　tell sb. about/ of sth.向某人讲起……

　　tell the world…公开讲；宣扬

　　tell a lie说谎          tell a white lie说善意的谎言

　　tell it like it is实话实说

　　there is no telling…难以预料

　　There is no telling when he will return.

　　I’ll tell you what.让我告诉你真相/怎么去做。

　　Never tell me!别瞎扯了！

　　You are telling me!还要你告诉我（我早知道了）！