Rubicon

• ルビコン川

紀元前49年、ユリウス?カエサルが軍隊を率いて不法に横断し、必然的に戦争に発展したイタリアとガリアの境界の川、ルビコン川から。語源はrubicundと同じである。

Rubicon (n.)

in phrase to cross (or pass) the Rubicon "take a decisive step," 1620s, a reference to a small stream to the Adriatic on the coast of northern Italy which in ancient times formed part of the southern boundary of Cisalpine Gaul; crossed by Caesar Jan. 10, 49 B.C.E., when he left his province to attack Pompey. The name is from Latin rubicundus "ruddy," in reference to the color of the soil on its banks.

1. Today we cross the Rubicon .There is no going back.

今日は釜を破って舟を沈め、背水の陣を敷く。

2.He 's crossed the Rubicon with regard to the use of military force as an option.

彼は武力行使に踏み切った。

3.At last they came to a little river called the Rubicon .

最後に、彼らはルビコンという小さな川に来た。

4.The Rubicon once crossed,they set to work with a will.

ことが決まったので、彼らは張り切ってやり始めた。

5.He Rubicon when he handed in his resignation letter.

彼はすでに辞表を提出したので、後悔することはできない。