roulette

ルーレット

回転する盤のどの番号の枠に玉が入るかを当てる賭け事。

やさしい英語で： A game where people bet on which numbered space a ball will land in on a spinning wheel.

• We played roulette at the casino.
• The roulette wheel stopped on twelve.
• She lost twenty euros at roulette.

類義語： roly-poly

よく使う表現： play roulette, roulette wheel, roulette table

危険な賭け

深刻な被害につながりかねない危険な冒険をすること。

やさしい英語で： Taking a dangerous chance that could cause serious harm.

• Skipping safety checks is roulette with people's lives.
• He called the untested treatment medical roulette.
• Buying shares blindly can become financial roulette.

類義語： gamble

よく使う表現： play roulette, medical roulette, financial roulette

点刻ローラー

印刷用の版に点の列を刻むための、小さな歯付きの輪。

やさしい英語で： A small wheel with teeth, used to make rows of dots on a printing plate.

• The engraver used a roulette to add dots.
• She rolled the roulette across the metal plate.
• Different roulettes produce different patterns of dots.

よく使う表現： engraving roulette, roulette wheel, use a roulette

粗面化ローラー

特に絵を修正する際、印刷用の版の表面を粗くする小さな輪。

やさしい英語で： A small wheel used to make a printing plate rough, especially when changing a picture.

• He used a roulette to roughen the plate.
• The roulette restored texture to the smooth area.
• She chose a small roulette for the mezzotint corrections.

よく使う表現： mezzotint roulette, use a roulette, roulette marks

ルレットで切り目を入れる

飾りや切り離し用に、歯付きの輪で小さな切り目を入れる。

やさしい英語で： To make small cuts with a toothed wheel, for decoration or to let pieces tear apart.

• The printer will roulette the sheet of stamps.
• They rouletted the paper so each label could be torn off.
• She rouletted the edges to create a decorative border.

よく使う表現： roulette a sheet, roulette the edges