crunch
when (if) it comes to the crunch
用：这个习语可改变为when (ifs it comes to the point
意：(指做决定、受考验的)关键时刻;节骨眼儿
例，Julia and Mark seem to be against getting married Gut, if it comes to the crunch,1 expect they will do it to please their parents.
朱丽娅和马克看来不同意结婚，可到节骨眼儿时，我认为他们会为了让自己的父母高兴而结婚的.
They're against our plan now, but when it eotnes to the crunch they'll suppers us，
他们现在不赞成我们的计划不过，到关健时刻，他们会支持我们的
