In our daily conversations, we can not help asking for clarification (澄清,说明) when we are not clear about 1 , or have become puzzled about a particular point 2 . A conversation is a form of 3 . During interaction, misunderstanding can lead to 4 in communication. To avoid misunderstanding or 5 , we tend to have an impulse (冲动) to ask for clarification. This is especially true when a Chinese learner of English talks with 6 . This skill can help him or her avoid embarrassment caused by misunderstanding, and keep the conversation 7 .