拘留

拘留	jū liú	to detain (a prisoner) / to keep sb in custody
拘	jū	to capture / to restrain / to constrain / to adhere rigidly to / inflexible
留	liú	old variant of 留
留	liú	to leave (a message etc) / to retain / to stay / to remain / to keep / to preserve
留	liú	old variant of 留