暗无天日

暗无天日 [àn wú tiān rì]

1. ■ complete darkness; an abyss of darkness; be days of darkness; dark as hell; gross lack of justice under misgovernment; pitchy darkness; lawlessness; so cloudy that there is no sun -- corrupt politics; total absence of justice; (They felt as if) the sun had been swallowed up in darkness.; under dark rule; utter darkness:

旧社会暗无天日。 The old society was an abyss of darkness.