入にゅう門もん

noun, noun or participle which takes 'suru', intransitive verb

becoming a pupil; entering discipleship; beginning training

Used as 入門する for formally starting under a teacher, school, dojo, artistic tradition, or similar institution of training. It often implies joining as a beginner or disciple rather than simply enrolling in an ordinary class.

• 彼かれは十じゅっ歳さいで空から手て道どう場じょうに入にゅう門もんした。

  He entered a karate dojo as a pupil at the age of ten.

• 有ゆう名めいな陶とう芸げい家かに入にゅう門もんして、基き礎そから学まなんだ。

  I became a pupil of a famous potter and learned from the basics.

noun

introduction; primer; beginner's guide

Common in titles of books, courses, articles, and guides for beginners, as in 日本語入門 or 統計学入門. Here it means an introductory treatment of a subject, not literally entering a school.

• まずは統とう計けい学がく入にゅう門もんを読よんでみよう。

  First, try reading an introduction to statistics.

• 初しょ心しん者しゃ向むけのプログラミング入にゅう門もん講こう座ざに申もうし込こんだ。

  I signed up for a beginner's programming course.

noun, noun or participle which takes 'suru', intransitive verb

entering through a gate; gate entry

Literal use referring to entering a premises through a gate. It is more likely in administrative, security, factory, campus, or facility-entry contexts than in everyday conversation.

• 工こう場じょうでは入にゅう門もん時じに身み分ぶん証しょうの提てい示じが必ひつ要ようです。

  At the factory, you must show ID when entering through the gate.

• 車しゃ両りょうの入にゅう門もんは正せい門もんからお願ねがいします。

  Vehicles should enter through the main gate.