伙伴儿

例句：

1. 1. We are friends, and we are partners in life.
   我们是朋友，也是生活中的伙伴。
2. 2. He is a good friend to me, and I am his partner in work.
   他是我很好的朋友，也是我工作上的伙伴。
3. 3. They are partners in the business, and they work together closely.
   他们是生意上的合作伙伴，他们合作密切。