不相上下 On a par with. Much of a muchness. Break even. As well be hanged for a sheep as for a lamb. A dead heat. On a dead level with. eg：The way John seeks to solve the question is on a par with mine. 同义词：半斤八两 Six of...

不同凡响 Out of the common run. Out of the ordinary. eg：His performance on the stage is out of the common run. 同义词：技艺超群 Able to kick the eye out of a mosquito....

不速之客 An unbidden guest. A gate-crasher. Turn up like a bad shilling. He that comes uncalled sits unserved. He that comes unbidden goes unthanked. eg：Joseph came to the party as an unbidden guest. 中英俚语俗语来源：周易需...

不识抬举 Bring a cow to the hall and she will run to the byre. Give him enough rope and he will hang himself. eg：To recommend Jack for the job is to bring a cow to the hall and she will run to the byre. 同义词：不堪造就 Of a p...

不入虎穴，焉得虎子 Nothing venture, nothing have(gain). No pains, no gain. eg：Go and ask your boss to give you a promotion. Nothing venture , nothing have. 中英俚语俗语来源：后汉书班超传：班超使西域，谓其官...

不容置疑 Beyond all questions. It leaves no room for doubt. eg：It is beyond all questions that you will get the scholarship. 同义词：毫无疑问 A moral certainty. 反义词：难以置信 To stagger belief....

不屈不挠 Stick to ones colours. Firm and unyielding. Fight for it tooth and nail. Hang on by the eyelashes. Keep ones chin up. As steady as a rock. eg：To gain confidence of others for your idea, you have to stick to your colours. 中英...

不期而遇 To meet up with. To chance upon. To come across. Bump into someone. Fall in with. eg：The two men happened upon each other by chance. 中英俚语俗语来源：毂梁传隐八年：不期而会日遇。 同义词：毂邂逅相...

不偏不倚 Hold the scale even. Sit on the rail. Betwixt and between. eg：When making a judgement, one has to hold the scale even. 同义词：一视同仁 Not to make chalk of one and cheese of another. 反义词：厚此薄彼 Make cha...

不名一文 Have not a penny to bless oneself with. Have no face but ones own. Not a feather to fly with. To be on he hocks. eg：Donald is broken , having not a penny to bless him-self with. 中英俚语俗语来源：汉书邓通传：竟不...