He is a fast talker.

他老是说得天花乱坠。

Go to the wall (To fail because of lack of money）:

走到墙边 ×

走投无路 √

例句：

He is going to the wall.

他开始走投无路了。

Off the wall (sth. is unusually and amusing, slightly crazy):

从墙掉下来 ×

奇妙的 不寻常的 √

例句：

Some of his ideas are really off the wall.

他有些想法真是十分新奇。

It's not my cup of tea. :

这不是我的一杯茶。×

这不是很合我胃口。 √