He made a profession of friendship to his classmate mary.
他向他的`同学玛丽表白了他的友情。
He turned around, and I recognized him as a former classmate.
他转过来，我才认出是位老同学。
My roommate is adept at designing robots.
我的室友在设计机器人方面是个内行。
You should choose a roommate more compatible to your tastes.
你应该挑个和你意气更相投的人同住一室。
If it's a women, she could be my soulmate.
如果是个女的，她可就是我的灵魂伴侣。
So I would advice you to love your soulmate everyday as much as you could!
所以我建议每天尽所能地爱你的精神伴侣。