his /hiz/ pron. 他的 （形容词性物主代词，作定语；名词性物主代词，作主语，宾语和表语）： Everyone must do his best.人人都应尽力。［注］后可接v-ing ，作v-ing的逻辑主语：Do you mind his smoking here?他抽烟您不介意吧? We’ll have to separate his from yours.我们不得不把他的和你的分开。The ruler is his, not mine.这把尺子是他的，不是我的。