settle down

US /ˈset̬.l̩ daʊn/
UK /ˈset̬.l̩ daʊn/
"settle down" picture
1.

落ち着く, 静まる

to become calm, quiet, or comfortable

:
The children finally settled down after playing all afternoon.
子供たちは午後中遊んだ後、ようやく落ち着いた
Please settle down and listen to the instructions.
どうぞ落ち着いて、指示を聞いてください。
2.

落ち着く, 身を固める

to start living a quiet and routine life in one place, often by marrying and having children

:
After years of traveling, he decided to settle down and buy a house.
何年も旅をした後、彼は落ち着いて家を買うことにした。
They got married and settled down in the suburbs.
彼らは結婚して郊外に落ち着いた