他擦掉窗户上的灰尘和污垢。

He wiped the ___crud off the window.

别管那些废话了，我们专注于解决问题吧。

Ignore all that ___crud and let's focus on solving the problem.

别买那个玩具，完全是劣质货，第二天就散架了。

Don't buy that toy, it's total ___crud - it fell apart the next day.