They do not seem to be able to let bygones be bygones.他们似乎不能对过去放手。I'm willing to let bygones be bygones.我愿意捐弃前嫌。The two boys agreed to let bygones be bygones and make friends again.两个孩子决定捐弃前嫌，重新做朋友。We decided to let bygones be bygones and be friends again.我们决定忘记过去，重新成为朋友。