求翻译：当约翰向他挑战，要跟他比击剑的时候，他感到非常尴尬，因为他自知剑术不高，不是约翰的对手。如果他接受挑战，他肯定会输；可如果不接受呢，他就是个懦夫。(是什么意思？

When John challenged him, more than fencing with him when he was very embarrassed, because he knew that fencing is not high, not John's opponents. If he accepts the challenge, he would lose; can not accept it if he is a coward. (

When John to be with him, he challenges than fencing, he felt very embarrassed, because he knew that he was not John fencing is not high, and the opponent. If he accept the challenge, he would certainly be lost; may refuse to accept it, if he is a coward. (

正在翻译，请等待...

When John challenge to him, with him than fencing when he was embarrassed because he knows that fencing is not high, not John's opponents. If he accepts the challenge, he will definitely lose; if you do not accept it, he is a coward. (

Challenging him as John, at the time of the fencing of comparing with he, he feels very awkward, because his self-awareness sword-play is not high, no match for John. If he rises to the challenge, he is certain to fail; If can not accept, he is a coward. (