irresponsibly
adv. 不负责任地；不可靠地
例句
They resent the implication that they have behaved irresponsibly.
他们对那种暗示他们的行为不负责任的言论非常不满。
《柯林斯英汉双解大词典》
Television producers seem irresponsibly insouciant about churning out violence.
电视制片人似乎对大量制作暴力节目抱着不负责任的无所谓的态度。
If a pastor doesn't bring up the cohabitation issue, they're acting irresponsibly.
如果牧师不提出同居问题，那么他们的行为可能会很不负责任。
