1734, "small wheel," from French roulette "gambling game played with a revolving wheel," literally "small wheel," from Old French roelete "little wheel" (12c.), formed on model of Late Latin rotella, diminutive of Latin rota "wheel" (see rotary). The game of chance so-called from 1745.
例文
1. You are playing Russian roulette every time you have unprotected sex.
行房時に避妊措置を取らないことは非常に危険です。
2.The airline was accused of playing Russian roulette with passenger safety.
この航空会社は乗客の安全を児戯だと非難されている。
3.I decided to try my luck at the roulette wheel.
ルーレットに運を試してみることにしました.
4.An amateur shouldn 't play roulette for high stakes.