He is a great, pompous bladder of a man.

他是个极其浮夸而且喜欢吹嘘。

He was very pompous at the meeting.

他在会上表现得很自负。

I had expected an American senator to be as pompous and flatulent as a British MP.

我原以为美国参议员会和英国下院议员一样华而不实、自命不凡。