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• n. [計] 比特（二進位制信息單位）；少量；馬嚼子；輔幣；老一套
• vt. 控制
• adj. 很小的；微不足道的
• adv. 有點兒；相當
• v. 咬（bite的過去式和過去分詞）

詞源同bite, 咬，指咬下的一小口。

bit

bit: There are three distinct nouns bit in English, but the two most ancient ones are probably both related ultimately to the verb bite. Bit as in ‘drill bit’ [OE] originally meant simply ‘bite’ or ‘biting’. The Old English word, bite, came from Germanic *bitiz, a derivative of the verb *bītan ‘bite’. The ‘drill bit’ sense did not develop until the 16th century.

The bit placed in a horse’s mouth is probably the same word. Bit meaning ‘small piece’ [OE] also comes from a Germanic derivative of *bītan, in this case *biton; this gave Old English bita ‘piece bitten off’. The more general sense, ‘small piece’, developed in the 16th century. The third bit, ‘unit of computer information’ [20], is a blend formed from ‘binary digit’.
=> bite

bit (n.1)

"small piece," c. 1200; related Old English bite "act of biting," and bita "piece bitten off," probably are the source of the modern words meaning "boring-piece of a drill" (1590s), "mouthpiece of a horse's bridle" (mid-14c.), and "a piece bitten off, morsel" (c. 1000). All from Proto-Germanic *biton (cognates: Old Saxon biti, Old Norse bit, Old Frisian bite, Middle Dutch bete, Old High German bizzo "biting," German Bissen "a bite, morsel"), from PIE root *bheid- "to split" (see fissure).

Meaning "small piece, fragment" is from c. 1600. Sense of "short space of time" is 1650s. Theatrical bit part is from 1909. Money sense in two bits, etc. is originally from Southern U.S. and West Indies, in reference to silver wedges cut or stamped from Spanish dollars (later Mexican reals); transferred to "eighth of a dollar."

bit (n.2)

computerese word, 1948 abbreviation coined by U.S. computer pioneer John W. Tukey (1915-2000) of binary digit, probably chosen for its identity with bit (n.1).

bit (v.)

past tense of bite.

1. Things might have been different if I'd talked a bit more.

如果當時我再多說一點的話，結果或許會不一樣。

來自柯林斯例句

2. I get a bit uptight these days. Hormones, I suppose.

這些天我有點焦躁。我看是荷爾蒙在作怪。

來自柯林斯例句

3. She'd do anything for a bit of pin money.

為了掙點外快，她什么都肯做。

來自柯林斯例句

4. Today was really a bit of a write-off for me.

今天對我來說真的有點兒白白浪費了。

來自柯林斯例句

5. "Well," he conceded, "I do sometimes mumble a bit."

“嗯，”他承認道，“我有時候說話的確有點吐字不清。”

來自柯林斯例句