set something in motion

US /set ˈsʌmθɪŋ ɪn ˈmoʊʃən/
UK /set ˈsʌmθɪŋ ɪn ˈmoʊʃən/
"set something in motion" picture
1.

啟動, 開始, 使…運轉

to start something, especially a process or a series of events

:
The new policy will set in motion a series of changes.
新政策將啟動一系列變革。
He set in motion a plan to reorganize the department.
啟動了一項重組部門的計畫。