Suddenly without warning the plane seemed to crack up as it was about to take off.(飞机将要起飞时，突然，没有得到任何警告，就好像要撞裂了。)
Crack an egg into the heart-shaped hole, fry up and serve on the toast.(接着，往这个心形的空缺处打一只鸡蛋，并将其油煎一下，最后放在吐司上。)
It appears that the shell has to crack open or break down somewhat to allow the seed to soak up water.(看来，为了让种子吸收水分，种子的外壳必须裂开或破裂。)
You'll crack up if you carry on working like this.(你再这样干下去，身体会垮掉的。)
Slot your foot (big toe up, pinky toe down) into the crack up to the arch of your foot, keeping your knee out to the side.(把你的脚尖（大脚趾在上，小指在下）楔入裂缝中去，直到你的足弓的部分，膝盖保持向外。)
That made me crack up.(这让我崩溃了。)
At the crack of dawn, he would run up the slopes with his skis on, an unbelievably backbreaking activity.(在黎明时分，他会穿着滑雪板跑上斜坡。做这样一项非常耗费体力的运动让人难以置信。)
I'm always afraid that I'll crack up the car.(我老是担心会把车给整坏。)
Heat butter in a frying pan and put in the bread slice template. Crack an egg into the heart-shaped hole, fry up and serve on the toast.(在煎锅中加热黄油，然后放入面包薄片模子。将一个鸡蛋打到心形状的洞里，将其煎熟，再放在烤面包上上菜。)
These days they were up at the crack of dawn.(这些天他们在破晓时就起床。)
