中英释义：
双语例句
当一个人在做某事时成功了，他是那么高兴以致常常忽略了他曾经做过的那些没有成功的事情。
When one succeeds in doing something, he gets so excited that he often neglects all the unsuccessful attempts he has done.
重点词汇
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曾经
once; ever; former; past; sometime; used to; at one time
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某事
something