1. 同学   classmate   workmate   comrade   playmate   Hint Half-n-half Clue   2. 相识   friend   colleague   fiancé   acquaintance   Half-n-half Clue   3. 男朋友   roommate   teammate   boyfriend   neighbor   Half-n-half Clue   4. 恋人   comrade   playmate   lover   classmate   Half-n-half Clue   5. 队友   fiancé   teammate   acquaintance   comrade   Half-n-half Clue   6. 游伴   girlfriend   roommate   comrade   playmate   Half-n-half Clue   7. 同事   workmate   colleague   roommate   comrade   Half-n-half Clue