俄罗斯联邦移民局在切尔基佐沃市场内发现一个非法宿舍,在那里扣押了约150名中国公民,其中50人签证过期。 detain/扣押;耽搁 He was detained for further questioning. [他被扣押了,将进一步接受调查。] I won't detain you – I can see you're in a hurry. [我不会耽搁你很久的,我看得出你赶时间。]