1.(sound)嘎吱嘎吱的声音；嘎吱作响
She heard the crunch of tires on the gravel driveway.她听到车轮在碎石车道上碾过时发出的嘎吱嘎吱的声音。
2.the crunch
(decisive moment)关键时刻；紧要关头
Tomorrow, though, is the crunch.明天可就是紧要关头了。
He can rely on my support when the crunch comes.关键时刻他可以依靠我的支持。
3.(financial)危机；财政困难
The U.N. is facing a cash crunch.联合国面临着现金短缺问题。
a financial crunch that could threaten the company's future可能会影响公司未来发展的资金紧缺问题
4.(exercise)仰卧起坐