chop

可能来自拟声词，模仿切东西的声音。

chop

chop: There are three distinct words chop in English. The oldest [14] originally meant ‘trade, barter’, but it is now found only in the phrase chop and change. It appears to come from Old English cēapian ‘trade’, which is related to English cheap. Chop ‘jaw, jowl’ [15] (now usually in the plural form chops) is of unknown origin; the now archaic chap is a variant. Chop ‘cut’ [16] seems ultimately to be the same word as chap (as in ‘chapped lips’), and may be related to Middle Low German kappen ‘chop off’. The specific noun sense ‘meat cutlet’ dates from the 15th century.
=> chap, cheap

chop (v.1)

"to cut with a quick blow," mid-14c., of uncertain origin, perhaps from Old North French choper (Old French coper "to cut, cut off," 12c., Modern French couper), from Vulgar Latin *cuppare "to behead," from a root meaning "head," but influenced in Old French by couper "to strike." Related: Chopped; chopping.

chop (v.2)

"shift quickly," 1530s, earlier "to bargain" (early 15c.), ultimately from Old English ceapian "to bargain" (see cheap); here with a sense of "changing back and forth," probably from common expressions such as to chop and change "barter." To chop logic is recorded from 1570s. Related: Chopped; chopping.

chop (n.)

"act of chopping," mid-14c., from chop (v.1). Meaning "piece cut off" is mid-15c.; specifically "slice of meat" from mid-17c. Sense of "a blow, strike" is from 1550s.

1. He won't say which programmes are for the chop.

他不愿说哪些项目将被毙掉。

2. Roughly chop the tomatoes and add them to the casserole.

把西红柿大致切一切，然后放到炖锅里。

3. Sometimes they have to chop down a tree for firewood.

他们有时只好砍树当柴烧。

4. Chop up three firm tomatoes.

拿3个硬西红柿切碎。

5. Will you chop an onion up for me?

你能帮我把一个洋葱切碎吗？