at the outset

一开始

例句与用法：

Everything went rather smooth at the outset of her career.

再她事业的初期，一切都相当顺利。

At the outset of her career she was full of optimism but not now.

她事业伊始十分乐观，但现在已今非昔比了。

详细释义：

开始

You should explain this to him at the outset.

你应该一开始就向他解释这事。