to marry or form a long and serious relationship with another person

All his friends were partnering up and settling down. 他所有的朋友都找到了伙伴，并安顿下来。

to act as someone's partner in a sport, game, dance, or activity

They partner up and throw weighted medicine balls at each other. 他们结成对子，互相投掷加重的实心球。

to join with another person or organization in a business activity

Businesses partner up with local schools to offer work experience to students. 工商企业与当地学校合作，为学生提供实习机会。