Taking an irreversible step with serious consequences.
采取一个不可逆转的步骤，带来严重后果。
"By going public with the information, he was crossing the Rubicon."
"通过公开信息，他迈出了一个不可逆转的步伐。"
to stay positive and hopeful in a difficult situation
to recover from the pain of a breakup or loss
to do what you promise to do
when everything is considered; ultimately
to officially charge someone with a crime
to help someone in trouble
