(of the sea, etc. 海洋等 with a lot of small waves; not calm 波浪起伏的；不平静的 The choppy waters caused some of the boats to capsize. 波浪起伏的水面造成一些船只倾覆。
Extra ExamplesThe sea was starting to get a bit choppy. 大海开始变得有点波涛汹涌。 The sea can be very choppy, especially at high tide. 大海可能非常波涛汹涌，尤其是在涨潮的时候。
- (North American English, disapproving)
(of a style of writing 文体 containing a lot of short sentences and changing topics too often 不连贯的；支离破碎的
Word Originearly 17th cent. (in the sense ‘full of chaps or clefts’): from chop + -y.