write off

n. 勾销, 报废, 完全无用, 写信寄出

例句与用法：

Thank you for giving me the address, I'll write off at once.

谢谢你告诉我地址，我马上就记下来。

He wrote off three cars in a year because of his dreadful driving.

因他的可怕的驾车技术，他一年内报废了三辆车。

He has written off a description of the terrible event.

他很快地写好一篇文章，描写这一可怕的事件。

详细释义：

勾销, 取消

We'll just have to write off the arrangement if we can't find the money for it.

这项计划如果筹不到钱就只得取消。