不知: not to know; have no idea of ...脸: face; countenance长: older; elder; senior脸长: height宽脸长鼻袋狸: broad faced bandicoot银脸长尾山雀: silver-faced tit不知: 1.(不知道) not to know; have no idea of; be ignorant of; be in the dark; be all at sea; know nothing about; be the last person to know; be not aware of; without the knowledge of; be beyond sb.; not to hear about; it beats me.; not to have a clue 不知底细 not know the inside story; 不知如何是好 not know which way to look;不知世事 know nothing about what is going on in the world2.(表示疑问或请求) wonder if 不知你是否可以告诉我 ...。 i wonder if you can tell me ..马不背主: a horse does not turn its back on its master马不停蹄: make a hurried journey without stop; continuously; nonstop; push on with one's journey without stop; the horse gallops on without stop.; the horse never stops running.; without a single halt; without a stop 部队马不停蹄地赶到了目的地。 the troops rushed to their destination without a single halt马不育症: equine infertility牛马不如: be more to be pitied than cows and horses; live worse than beasts of burden赠马不看牙: don't look a gift horse in the mouth驷马不凡: gudianq阿达马不等式: hadamard's inequality一马不配两鞍: even a good horse cannot wear two saddles.; you cannot put two saddles on one horse这匹马不上套the: horse kicks over the traces. knot不知为不知: know is know noknow is noknow我不知,我不知: i don’t know i don’t know当时不下马不行: we had no alternative but halt the project at the time好马不吃回头草: a good horse will never turn round to graze on an old pasture好马不会毛色差: a horse may stumble on four feet罗马不设防的城市: rome ville ouverte; rome, open city枪不离肩,马不离鞍: Rifles seldom leave the men's shoulders,the horses are never unsaddled.in constant battle array枪不离肩马不离鞍: rifles seldom leave the men's shoulders the horses are never unsaddled通马不通车的狭桥。: bridle bridge