rat

ネズミ

長い尾を持つ、ハツカネズミより大きなネズミ。

やさしい英語で： A small animal with a long tail that looks like a large mouse.

• A rat ran across the floor.
• We keep two rats as pets.
• Did you see the rat behind the bins?

よく使う表現： pet rat, rat trap, a rat

裏切り者

信頼を裏切ったり、敵に味方したりする人。

やさしい英語で： A person who breaks your trust or helps your enemies.

• You told everyone my secret, you rat!
• She called him a rat for betraying his friends.
• Nobody trusted the rat who had sold them out.

類義語： traitor, snake

よく使う表現： a dirty rat, that rat

常連

ある場所で多くの時間を過ごす人。

やさしい英語で： Someone who spends much of their time in a particular place.

• My brother is a gym rat.
• The mall rats gathered outside the food court.
• She became a library rat during her college years.

類義語： regular

よく使う表現： mall rat, gym rat

密告する、告げ口する

他人の悪事を警察などの当局に知らせること。

やさしい英語で： To tell the police or another authority about something wrong that someone has done.

• Please do not rat on me.
• He ratted out the gang to the police.
• Who ratted on us to the teacher?

使い方： rat on someone (He refused to rat on his brother.); rat someone out (Someone ratted her out to the police.)

類義語： inform on, tell on, betray

よく使う表現： rat on someone, rat someone out

引っかく、傷をつける

表面を引っかいたり切ったりして跡をつけること。

やさしい英語で： To cut or scratch a mark into a surface.

• He used a blade to rat the wood.
• She ratted a line into the soft surface.
• The knife had ratted a deep mark across the board.

類義語： scratch, score

よく使う表現： rat a line, rat the surface