It was a vain attempt to shift the responsibility for the murder to somebody else.
试图将谋杀的罪责转嫁给他人是徒劳的。
《柯林斯高阶英汉双解学习词典》
He spoke calmly to them trying to pour oil on troubled waters but it was useless.
他心平气和地与他们讲话,试图使争吵平息,但这却是徒劳的.
《简明英汉词典》
It's no use trying to steer the boy into a course of action that suits you.
想说服这孩子按你的方式行事是徒劳的.
《简明英汉词典》
He shouted after them, vainly trying to attract their attention.
他在他们的后面高喊,想引起他们的注意,却是徒劳。
《牛津高阶英汉双解词典》
