I-6：in top form 状态很好
A:What do you think of the former champ?
A:你觉得上届冠军怎么样？
B:There were some bad misses in his defense, so he lost it.
B：他在卫冕中有些失误，所以失效了。
A:No champion can remain at the top for ever.
A:没有常胜的将军。
B:I suppose he's not in top form.
B:我倒是觉得他状态欠佳。
