Taking an irreversible step with serious consequences.
重大な結果を伴う取り返しのつかない一歩を踏み出す。
"By going public with the information, he was crossing the Rubicon."
"情報を公開することで、彼は取り返しのつかない一歩を踏み出した。"
extremely tired or annoyed by something
Willing to consider new ideas or opinions.
someone who learns new things very fast
to become comfortable in a new situation
to rely on or depend on something happening
to criticize someone angrily
