天昏地暗tiān hūn dì àn 1.形容大风时飞沙漫天的景象{murky heavens over a dark earth in a sandstorm; dark all round}: 突然狂风大起,刮得～。{An unexpected howling wind swept by, carrying yellow dust that darkened the sky and obscured everything.} 2.〈比喻fig.〉政治腐败或社会混乱。{corrupt politics or social chaos} 3.形容程度深;厉害{terribly; violently; like hell}: 哭得个～。{wail like hell}‖也说also天昏地黑{tiān hūn dì hēi}。