to run in
[phrase form: run]
01
逮捕, 拘留
to take someone suspected of a crime or violation into custody, typically by law enforcement
Informal
例子
The police had to run in the suspect after a high-speed chase.
警方在高速追逐后不得不拘留嫌疑人。
The officer decided to run the unruly protester in for causing a disturbance.
警官决定拘留不守规矩的抗议者，因为他引起了骚乱。
02
磨合, 开始时缓慢使用
to use the machinery slowly at the start to make sure it works properly
例子
When he got the new car, the manual advised him to run in the engine for the first 1,000 miles.
当他得到新车时，手册建议他在最初的1000英里内磨合发动机。
She carefully ran the sewing machine in by starting with lighter fabrics before tackling heavier ones.
她小心地磨合缝纫机，先从较轻的布料开始，然后再处理较重的布料。
