拘留

to detain (a prisoner) / to keep sb in custody

to capture / to restrain / to constrain / to adhere rigidly to / inflexible

old variant of 留[liu2]

to leave (a message etc) / to retain / to stay / to remain / to keep / to preserve

old variant of 留[liu2]

detention center / prison

to detain as criminal / criminal detention

to incarcerate sb for a violation of administrative law, typically for 10 days or less / administrative detention