knee

膝

脚の中ほどにあり、脚を曲げられるようにする関節。

やさしい英語で： The part in the middle of your leg that lets it bend.

• My knee hurts.
• She fell and scraped both knees.
• Can you bend your knee without pain?

よく使う表現： bend a knee, knee pain, knee injury

屈曲点、折れ曲がり

物や線が急に曲がる部分。特にグラフが方向を変える点。

やさしい英語で： A sharp bend in an object or line, especially where a graph changes direction.

• The graph has a clear knee.
• Beyond the knee, the curve rises steeply.
• Mark the knee where the line changes direction.

使い方： knee of something (The knee of the curve marks a sudden change in behavior.)

類義語： bend, turn

よく使う表現： knee of something, knee point, curve knee

ニー、膝材

構造物の部品を支えたりつないだりする、曲がった木材や金属材。

やさしい英語で： A bent piece of wood or metal used to support or join parts of a structure.

• A wooden knee supports the beam.
• They replaced the damaged knee inside the boat.
• Steel knees connect the beams to the frame.

類義語： angle bracket

よく使う表現： wooden knee, steel knee, hanging knee

膝で蹴る、膝で打つ

人や物を膝で打つこと。

やさしい英語で： To strike someone or something with the joint in the middle of your leg.

• He tried to knee me.
• She kneed him in the stomach and ran away.
• The fighter accidentally kneed his opponent in the face.

使い方： knee someone in something (She kneed the attacker in the stomach.)

よく使う表現： knee someone, knee someone’s stomach