friction

摩擦

二つの面がこすれ合うとき、動きを妨げる抵抗。

やさしい英語で： The resistance you feel when one surface rubs against another.

• Oil helps reduce friction.
• Friction between your hands makes them warm.
• Rough surfaces usually create more friction than smooth ones.

使い方： friction between A and B (Oil reduces friction between the moving parts.)

類義語： resistance

よく使う表現： reduce friction, surface friction, friction between surfaces, static friction

不和、摩擦

考えや利害が異なる人々の間に生じる対立や緊張。

やさしい英語で： Disagreement or tension between people who have different ideas or interests.

• Money caused friction in the family.
• There was friction between the two departments.
• Sharing an office led to constant friction with her colleague.

使い方： friction between A and B (There is friction between the staff and management.); friction with someone (He wanted to avoid friction with his neighbors.)

類義語： tension, conflict, discord

反対語： harmony

よく使う表現： cause friction, family friction, friction between people

障害、手間

仕組みやサービスを使いにくくしたり、使う楽しさを減らしたりするもの。

やさしい英語で： Anything that makes a system or service harder or less pleasant to use.

• The extra clicks create friction.
• We removed unnecessary steps to reduce friction at checkout.
• Repeated password requests add friction to the user experience.

使い方： friction in something (Extra questions create friction in the signup process.)

類義語： obstacle, hindrance, difficulty

よく使う表現： reduce friction, user friction, checkout friction