用作不及物动词
▲S+～(+A)
His leather boots crunched on the frozen snow.他的皮靴踩在冻雪上嘎吱作响。
The greedy boy was crunching on a hard and dry piece of toast.那个贪吃的男孩正嘎吱嘎吱地嚼一片烤过的脆面包。
用作及物动词
▲S+～+n./pron.
He sat there crunching his cornflakes and reading the newspaper.他坐在那儿一边看报，一边嘎吱嘎吱地嚼着玉米片。

We heard the crunch of wheels on the gravel drive.我们听到车轮碾过石子路时发出的嘎吱声。
His spade cleaved the firm sand with a satisfying crunch.他的锹凿开了坚实的砂土，发出令人舒心的嘎扎声。
When it comes to the crunch she always supports me.一到紧要关头她总是支持我。