You have to be prepared to start at the bottom and work your way up.

你得准备好从最基层干起，努力向上。

《牛津词典》

Well, I have to start at the bottom of my region.

从积分域的底部开始。

youdao

To explain this diagram, start at the bottom where the information sources lie.

为了解释这个图表，先从信息源所在的底部开始。

youdao

So, if we're talking about five different orbitals and we're talking about a ground state atom, we know that we just need to start at the bottom and work our way out up.

因此，如果我们要讨论的是,五个不同的轨道且是属于一个基态原子的话，我们知道，我们只需要从最低的轨道,开始一个一个往上找。

麻省理工公开课 - 化学原理课程节选

You kind of have to start at the bottom, like with internships,

你可以先从底部做起，做做实习之类的，

要成为导演 - SpeakingMax英语口语达人

Players have to start at the bottom and come through some sort of structure.

BBC: Atherton lambasts counties

Still another avenue into the industry is to start at the bottom and work your way up.

FORBES: Magazine Article

"In my opinion, this thing has to start at the bottom, " he said.

BBC: SPORT | Football | Punish top players first - Poll