| 不疾不徐 neither too fast nor too slo... |
| 不痛不痒 neither painful nor itching |
| 不痛不痒的批评 superficial criticism |
| 不痴不聋 be blind and deaf |
| 不登大雅之堂 unqualified to take its plac... |
| 不白之冤 unrighted wrong |
| 不皂化物 unsaponifiable matter |
| 不盈不亏 break even |
| 不直 out-of-straight |
| 不直度 nonstraightness |
| 不直度测量 nonstraightness measurement |
| 不相上下 be roughly the same |
| 不相互干扰 non-interference |
| 不相交 non-intersect |
| 不相交元素 disjoint elements |
| 不相交平面 non-intersecting planes |
| 不相交线 non-intersecting lines |
| 不相交集 disjoint sets |
| 不相关 uncorrelated |
| 不相关函数 uncorrelated functions |
| 不相关变量 uncorrelated variable |
| 不相关系数 alienation coefficient |
| 不相容 incompatible |
| 不相容事件 mutually exclusive event |
| 不相容方程 incompatible equations |
