He's dashing off letters to his dearest cousin Willie.

他正给他最亲的表兄威利写信。

Wait. You're such a mystery, always dashing off.

等等 你太神秘了 总是匆匆离去。

With increasing numbers of us working flexibly, perhaps the need for a quick breakfast before dashing off to work will no longer be necessary.

随着越来越多的人选择灵活就业，也许在匆匆忙忙去上班之前吃一顿快速早餐的需求将不再成为必要。