单词 | bit |
释义 | bit 1. n.   1. a small piece or quantity (a bit of cheese; give me another bit; that bit is too small).   2. (prec. by a) a a fair amount (sold quite a bit; needed a bit of persuading). b colloq. somewhat (am a bit tired). c (foll. by of) colloq. rather (a bit of an idiot). d (foll. by of) colloq. only a little; a mere (a bit of a boy).   3. a short time or distance (wait a bit; move up a bit).   4. US sl. a unit of 121/2 cents (used only in even multiples). Phrases and idioms bit by bit gradually. bit of all right sl. a pleasing person or thing, esp. a woman. bit of fluff (or skirt or stuff) see FLUFF, SKIRT, STUFF. bit on the side sl. an extramarital sexual relationship. bit part a minor part in a play or a film. bits and pieces (or bobs) an assortment of small items. do one's bit colloq. make a useful contribution to an effort or cause. every bit as see EVERY. not a bit (or not a bit of it) not at all. to bits into pieces. Etymology: OE bita f. Gmc, rel. to BITE 2. past of BITE. 3. n. & v. --n   1. a metal mouthpiece on a bridle, used to control a horse.   2. a (usu. metal) tool or piece for boring or drilling.   3. the cutting or gripping part of a plane, pincers, etc.   4. the part of a key that engages with the lock-lever.   5. the copper head of a soldering-iron. --vtr.   1. put a bit into the mouth of (a horse).   2. restrain. Phrases and idioms take the bit between one's teeth 1 take decisive personal action.   2. escape from control. Etymology: OE bite f. Gmc, rel. to BITE 4. n. Computing a unit of information expressed as a choice between two possibilities; a 0 or 1 in binary notation. Etymology: BINARY + DIGIT |
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