“责任心”用英语怎么说？

他们想要个有责任心的人夜间照管这个地方。They wanted someone responsible to look after the place at night-time.编程者似乎对大批量制造含暴力因素的产品处之漠然，毫无责任心。Programme-makers seem irresponsibly insouciant about churning out violence.他敦促大家做事要有责任心。He urged eve...