hinge

蝶番

扉やふたを枠につなぎ、回転して開閉できるようにする部品。

やさしい英語で： A joint that connects a door or lid to its frame and lets it swing open and shut.

• The hinge is broken.
• I put some oil on the door hinges.
• She replaced the rusty hinge on the box.

よく使う表現： door hinge, hinge pin, rusty hinge, metal hinge

転機、要点

その後の考えや出来事を左右する、重要な考えや時点。

やさしい英語で： A key idea or moment on which later thoughts or events depend.

• That choice became the hinge of the story.
• The discovery was a hinge in the history of medicine.
• Trust is the hinge on which her argument turns.

使い方： the hinge on which something turns (This assumption is the hinge on which the whole argument turns.)

類義語： turning point, crux

よく使う表現： hinge of history, a crucial hinge, hinge of something

かかる、左右される

ある事柄によって、実現するか成功するかが決まる。

やさしい英語で： If a result depends on something, that thing decides whether it happens or succeeds.

• Our plans hinge on the weather.
• The deal hinged on her approval.
• Does success hinge on finding the right partner?

使い方： hinge on someone/something (The project hinges on getting enough money.); hinge on whether… (Our trip hinges on whether we can get tickets.)

類義語： depend, rest

よく使う表現： hinge on something, hinge upon something

蝶番を取り付ける

扉やふたなどが開閉できるように蝶番を取り付ける。

やさしい英語で： To attach a door, lid, or other part with a joint that lets it swing.

• They hinged the lid at the back.
• The carpenter hinged the door to its frame.
• Can we hinge this panel along its lower edge?

使い方： hinge something to something (She hinged the wooden cover to the frame.)

よく使う表現： hinge a door, hinge a lid, hinge at something

ヒンジ状に折れる

石を削る際、剥がれる石片が予定の縁に届かず丸い端で途切れる。

やさしい英語で： When shaping stone, to break off with a rounded end before reaching the intended edge.

• The flake hinged before reaching the edge.
• A flaw in the stone caused the flake to hinge.
• These flakes often hinge when the blow is too weak.

よく使う表現： flake may hinge, hinge at something