1. 朋友   classmate   friend   fiancé   acquaintance   Hint Half-n-half Clue   2. 相对   friend   fianceé   relative   fiancé   Half-n-half Clue   3. 同学   acquaintance   classmate   relative   colleague   Half-n-half Clue   4. 同事   boyfriend   colleague   relative   roommate   Half-n-half Clue   5. 相识   neighbor   colleague   girlfriend   acquaintance   Half-n-half Clue   6. 室友   roommate   folks   neighbor   friend   Half-n-half Clue   7. 男朋友   relative   playmate   boyfriend   teammate   Half-n-half Clue