At that time the most sensible thing to do was settle in, settle down, or settle for something that you were sure would pan out.

当时最明智的做法是定居，定居下来，或定居的东西你肯定会做成。

youdao

"To settle down" in this context means to settle down with your lover. This is used to give a sense of stability in the relationship.

在上下文中意思是和你所爱的人一起安定下来，让你们的关系增添稳定的因素。

youdao

In TSU's settling zone, large or heavy particles settle down at first, and smallest or lightest ones settle in top zone of the tilting plate surface.

在斜窄流的沉降区段，粗粒或重粒率先沉积，最细粒或轻粒沉积在板面的顶部区域。

youdao

But she found it impossible to settle down.

VOA: special.2009.02.22

Part of it is, it takes me an hour and half to settle myself down enough, that I'm actually paying attention and, be more aware of what happening.

每一次，都需要一个半小时,来让我的头脑镇静下来，然后我才能真正地集中注意，感受身边发生的事情。

普林斯顿公开课 - 人性课程节选

Just come in and settle down, because it's very hard to lecture with this amount of traffic.

进来以后就赶紧坐下来,你们这样乱糟糟的我讲不下去

耶鲁公开课 - 基础物理课程节选

Everybody settle down for a second here. (Laughter.) Settle down.

WHITEHOUSE: The White House

"Our intent is to return to America, if at all possible, and settle down to whatever normal life we can settle down to under the circumstances, " he said.

CNN: STORY HIGHLIGHTS

As Parisians settle down to sleep, trains radiate out across the continent in all directions.

BBC: Europe's eight best night trains