不伦不类 Neither fish. flesh nor fowl, nor good red her. Neither rhyme nor season. eg：No one likes her new chess; it is neither fish, flesh, nor fowl, nor good red herring. 中英俚语俗语来源：礼记：儗人不于其伦。。/晋...

不可一世 As proud(vain) as a peacock. Puffed up with pride. As proud as Lucifer. eg：When John learned that he had got the scholarship, he was as proud as a peacock. 同义词：趾高气扬 Have ones nose in the air. 反义词：无颜面...

不可同日而语 Cant be mentioned on the same day. Not to be mentioned in the same breath. Not to be lumped together. eg：Johns idea is different from Jeans, they cant be mentioned on the same day. 中英俚语俗语来源：汉书息夫躬...

不可救药 Beyond remedy. If physic do not work, prepare for the kirk. eg：Roberts laziness is beyond remedy. 中英俚语俗语来源：诗经大雅：多将熇熇，不可救药。 同义词：病人膏盲 Too far gone. 反义词：微感...

不寒而栗 Make one s teeth chatter. Make ones flesh creep. eg：The mysterious sound in the dark made Lilys teeth chatter. 中英俚语俗语来源：史记酷吏列传：是日皆报杀四百余人，其后郡中不寒而栗。...

不管三七二十一 Rain or shine. Let the world wag as it will. Come what may. For good or ill. eg：We have to carry out the plan, rain or shine. 反义词：瞻前顾后 Take a look around....

不费吹灰之力 A lift of the finger. Theres nothing to it. Can do it on ones head. As easy as pie. eg：For John, a lift of the finger will do to finish the job. 同义词：易如反掌 As easy as winking. 反义词：九牛二虎之力...

不动声色 Set ones face like a flint. Keep a straight face. keep ones countenance. Bit ones lips. Keep quiet. As quiet as a mouse. eg：He sat there, setting his face like a flint and tried to find out who was the suspect. 同义词：面不...

不耻下问 Bow down ones ear. Though old and wise, yet still advise. It is lawful to learn even from an enemy. eg：The teacher bowed down the ear to one of his students, asking him what one should do in such situation. 中英俚语俗语来...

博学多才 Know whats what. Well-read. eg：Believe me, he knows a thing or two. 同义词：多才多艺 To be all-round. 反义词：胸无点墨 Not to know A from a windmill....