如果迈克尔赢了，那我一直以来努力争取的一切都将白费。If Michael won, he would undo everything I have fought for.她的语气使他明白他是在白费口舌。The tone of her voice told him he was wasting his breath.很明显她所有的抱怨都是白费口舌。It became obvious that all her complaints were...
He had to cancel some engagements because of tiredness.他太累了，不得不取消一些约会。Ignoring feelings of tiredness knocks our body clocks out of kilter.忽视疲劳感会打乱我们的生物钟。Peppermint leaves are believed to relieve tiredness and nasal stuff...