in vain
1
徒劳, 没有成功
without success or achieving the desired result
- Despite hours of searching, the lost keys were found in vain, and she had to get a spare set.
尽管搜索了几个小时，丢失的钥匙还是徒劳地找到了，她不得不拿一套备用的。
- He tried to convince them to change their decision, but his efforts were in vain, and the plan proceeded as initially intended.
他试图说服他们改变决定，但他的努力徒劳，计划还是按最初的意图进行了。
- The team struggled to score a goal, but all their attempts were in vain as the opposing defense remained impenetrable.
球队努力想要得分，但由于对方防守坚不可摧，他们所有的尝试都徒劳无功。
- She waited for a response to her letter, but her hopes were in vain as no reply arrived.
她等待着她信件的回复，但她的希望徒劳，因为没有回复到来。
- The doctor worked tirelessly to save the patient, but unfortunately, all efforts proved to be in vain, and the patient could not be revived.
医生不知疲倦地工作以挽救病人，但不幸的是，所有的努力都徒劳，病人无法被复活。
同义词：