- underpants
- underpass
- underpasses
- under pressure
- underprivileged
- under protest
- underrate
- underrated
- underrates
- underrating
- underscore
- underscore
- underscored
- underscores
- underscoring
- undersecretaries
- undersecretary
- undershirt
- undershirts
- undershorts
- underside
- undersides
- understaffed
- understand
- understandable
- 歇后语：四月里挖地
- 歇后语：四金刚吃豆芽菜
- 歇后语：四金刚弹琵琶
- 歇后语：四月吃毛桃
- 歇后语：四面脑勺子
- 歇后语：四大金刚吃汤圆
- 歇后语：四个鼻孔烂了三个
- 歇后语：四六疯
- 歇后语：四弦琴
- 歇后语：四眼狗不咬人
- 歇后语：四大金刚摇橹
- 歇后语：四两猪头
- 歇后语：四九三十六
- 歇后语：四月里的梅子
- 歇后语：四金刚格琵琶
- 歇后语：四金刚扫地
- 歇后语：四金刚葛琵琶
- 歇后语：四大天王流涎水
- 歇后语：四大金刚的琵琶
- 歇后语：四金刚的琵琶
- 歇后语：四两棉花两张弓
- 歇后语：四两顶千斤
- 歇后语：四两拨千斤
- 歇后语：四金刚戴帽子
- 歇后语：四不像备鞍鞯