careful

注意深い、慎重な

危険や損害、間違いを避けるために、よく気をつける様子。

やさしい英語で： Paying close attention to avoid danger, damage, or mistakes.

• Be careful with that knife.
• She was careful not to wake the baby.
• Are you always this careful when crossing roads?

使い方： careful with something (Be careful with the glass.); careful not to do something (He was careful not to slip.); careful about something (Be careful about sharing your address.)

類義語： cautious

反対語： careless

よく使う表現： be careful, careful with something, careful when driving

丁寧な、綿密な

見落としや不備がないよう、細かい点まで気を配って行われる様子。

やさしい英語で： Done with close attention to every detail, so that nothing is missed or done badly.

• The plan needs careful thought.
• A careful search revealed the missing ring.
• Her careful measurements helped us build the shelf.

類義語： thorough, meticulous

反対語： careless

よく使う表現： careful planning, careful study, careful examination