老一辈，少一辈

见“父一辈，子一辈”。

• 必然胜利
• 必然论
• 必然音品
• 必生诽怨
• 必由
• 必由之径
• 必由之路
• 必由之道
• 必竟
• 必索
• 必经之地
• 必经之路
• 必经之道
• 必胜
• 必胜客
• 必至
• 必若
• 必要
• 必要产品
• 必要动词
• 必要劳动
• 必要性副词
• 必要条件
• 必要条件假言判断
• 必要的倒装
• be in sight
• be insistent
• be inspired by
• be in sth
• be in store
• be instrumental in
• be in sympathy with/sympathize with
• be in tears
• be intended for sth / be intended as sth / be intended to be sth / be intended to do sth
• be intended to do sth
• be intent on
• be interested in
• be in the/a minority
• be in the bath
• be in the black
• be in the closet
• be in the dark
• be in the dock (over sth)
• be in the driver's seat
• be in the driving seat
• be in the firing line
• be in the grip of
• be in the know
• be in the line of fire
• be in the majority