With the sea ice cracking up beneath them,隨著冰塊破碎在腳下
crack up:撞毀
If he doesn't rest he'll crack up soon.
要是他不休息,他身體很快會垮掉的。
The damaged windshield began to crack up all over.
破損的擋風玻璃開始全部裂開。
Dan has to trust the crew and a ton of filming gear to the experience of the locals.丹不得不將全部隊員及大量的拍攝器材的安全寄托在當地人豐富的經驗上
a ton of:許多
Disappointment hit her like a ton of bricks.
她大失所望。
Because it doesn't save them a ton of time!
因為它不能節約他們的時間!