第1个回答 2012-07-17
I'm afraid I haven't expressed it clearly.
第2个回答 2012-07-17
I'm afraid I havn't explained it clearly.
第3个回答 2012-07-17
I am afraid that I haven't made myself clearly understood.
第4个回答 2012-07-17
I am afraid I didn't convey my meaning clearly.
第5个回答 2012-07-17
I'm afraid I've not made it clear