1．live apart 避免交际；独居 *He keeps to himself most of the time．他大部分时间独居自处。
2．remain private 不给人知道；保守秘密 *Don't keep the news to yourself；let's all share it．不要只管自己知道这消息，让我们也知道吧。 *I'll tell you only if you promise to keep it to yourself．你答应保守秘密，我才告诉你。 *I can't understand why you kept the news to yourself for so long．我不明白你为什么这么长时间也不把消息告诉他人。