| 不明不白 not clear |
| 不明事理 be unreasonable |
| 不明内情 be out of the swim |
| 不明利害 do not know gains and losses |
| 不明国籍的飞机 a plane of unidentified nati... |
| 不明底蕴 ignorant of the true picture |
| 不明是非 confuse right and wrong |
| 不明智 unwise |
| 不明智行动 unwise action |
| 不明真相 be unaware of the truth |
| 不明确 indeterminacy |
| 不明飞行物 unidentified flying objects |
| 不易为常 Such is one's common custom. |
| 不易之论 unalterable truth |
| 不易疲劳 indefatigability |
| 不易解决 not easy to solve |
| 不昧今生 can still remember what's ha... |
| 不是 fault |
| 不是冤家不聚头 Enemies and lovers are desti... |
| 不是味儿 not the right flavour |
| 不是旁人而正是王先生 It was none other than Mr. W... |
| 不是玩儿的 it's no joke |
| 不是玩艺儿 be a person of dubious chara... |
| 不是长久之计 not a permanent solution |
| 不晕 aplanatism aplanatic |
