释义：

begin with (by) 从……开始

用来详细说明开始的对象，可以用 begin with 或 begin by。另外，begin (something) as 表示 “以……开始”。

例句：

We would like to begin with that.
我们先从那个开始吧。
Let me begin by saying that a terrible tragedy has occurred here.
我先告诉您，这里发生了一场惨剧。

对话：

A: I want to be successful at my job.
我想在事业上大有所成。
B: That begins with a lot of hard work.
那要从努力工作开始了。