vt.

1. 嘎吱作响地咬嚼
   People who crunch nuts at the movies can be very annoying.

   看电影时嘎吱作声地嚼干果的人会使人十分讨厌。

2. 嘎扎嘎扎地碾（或踩、压）过

vi.

1. 嘎吱作响地咀嚼[（+on）]
2. 嘎扎嘎扎地碾（或踩、压）过
   Our feet crunched on the frozen snow.

   我们的双脚嘎吱作响地踩着冰冻的雪地。

n.

1. 嘎吱吱的声音；咬嚼声[U][S1]
2. 艰难局面；财政困难；短缺[U][S1]
   an energy crunch

   能源危机

3. 【口】关键时刻；危机[the S]
   When it comes to the crunch they will support us.

   到紧要关头他们会支持我们的。

v.

1. crush (a hard or brittle foodstuff) with the teeth, making a loud grinding sound.
2. make or move with a loud grinding sound.
3. (especially of a computer) process (large quantities of data).

n.

1. a crunching sound.
2. (the crunch) informal the crucial point of a situation.
3. a severe shortage of money or credit:
   the beleaguered company has become the latest victim of the credit crunch.
4. a sit-up.