The end of one's useful professional life is hard to accept.一个人有所作为的职业生涯一旦结束, 是很难以接受的。

One has cut one's finger.有人割破了自己的手指。

One must wash one's hair.每个人都得洗头。

if one's feeling a bit tired如果有人觉得有点儿累了

One's not going to hurt you.人们不会伤害你。

every positive experience one's had一个人所有美好的经历

When one's gone, the other partner is going to be totally lost.当一个死后, 其另一半会彻底消沉。

One's been here for a long time.人家已经在这里很久了。