副词
中文翻译：徒劳地
同义词：
['无例句：1. She triedto fix the car', 'but it wastoo late and she was just vainlytrying.（她试图修好车，但为时已晚，她只是在徒劳地尝试。）']
例句：
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1. She triedto fix the car, but it wastoo late and she was just vainlytrying.
她试图修好车，但为时已晚，她只是在徒劳地尝试。
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2. He spent all his money on anew car, only to find out itwas a waste of time.
他把所有的钱都花在了一辆新车上，结果发现这是浪费时间。
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3. The teacher told us thatwe should not be vainly proud ofour achievements.
老师告诉我们不应该因为我们的成就而自满。