急動的,突變的
Choppy \Chop"py\, a. [Cf. {Chappy}.] 1. Full of cracks. ``Choppy finger.'' --Shak. 2. [Cf. {Chop} a change.] Rough, with short, tumultuous waves; as, a choppy sea.
choppy adj : rough with small waves; "choppy seas" [also: {choppiest}, {choppier}]