Half-heartedness won't do – it's got to be all or nothing.三心二意是不行的 — 要么全力以赴，要么什么都不干。She either loves you or hates you - it's all or nothing with her.她要么爱你，要么恨你——就这么极端。Either he went through with this thing or he did not; it was all or nothing.他要么把这件事做完，要么就不做，只有这两种选择。