受伤后，他的信心跌到了谷底。
After the injury, his confidence reached its nadir.
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解释
最低点、最糟糕的状态
After the injury, his confidence reached its nadir.
最低点、最糟糕的状态
After the injury, his confidence reached its nadir.
解释
After the injury, his confidence reached its nadir.
最低点、最糟糕的状态
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