1. I
  1. 1〔頸部〕a neck
    • 細い[太い]首
    • a 「delicate neck [bullneck]
    • 彼は行列を見ようと首を伸ばした
    • He stretched [craned] his neck to see the procession.
    • 彼は首をくくった
    • He hanged himself.(▼この意味のhangは規則変化)
    • 彼は彼女の首をしめて殺した
    • He strangled her (to death).
    • 猫の首に鈴をつける
    • bell a cat
    • 首の細い花びん
    • a vase with a slender neck
    • (シャツの)首の汚れ
    • ((remove)) ring-around- the-collar
    • 白いブラウスの首が汚れていた
    • The white blouse was soiled around the collar [neck].
  1. 2〔頭部〕a head
    • 彼は私より首だけ背が高い
    • He is taller than I am by a head.
    • 彼は急に窓から首を出した
    • He popped his head out of the window.
    • 首をかしげる
    • lean one's head to the side/tilt one's head
    • 雪をかぶって竹が首を垂れていた
    • The bamboos were bent under the weight of the snow.
  1. II
  1. 1〔命〕
    • 彼は借金をいつか返すよ.首をかけてもよい
    • He'll pay the money back eventually ― I'd bet my life on it.
  1. 2〔免職,解雇〕
    • くびにする
    • dismiss/《口》 fire/《英口》 sack
    • 彼は首になった
    • He lost his job./《口》 He was fired [sacked]./《口》 He got the boot [ax/《英》 sack].
    • あいつはもう首が危ないんだ
    • He may be fired [dismissed] any time.
    • 彼は借金で首が回らない
    • He is deep [over his head] in debt./He is up to his ears [eyes/neck] in debt.
    • あいつはまだ首がつながっている
    • He has not been dismissed [fired] yet.
    • その事件で校長の首が飛んだ
    • The principal 「lost his job [was fired] because of the incident.
    • 閣僚の首がいくつか飛ぶのではと噂されている
    • It is rumored that a few Cabinet ministers may lose their posts.
    • 彼女は首をすくめた
    • She shrugged (her shoulders)./She gave a shrug.
    • 首相は財務大臣の首をすげ替えた
    • The Prime Minister replaced the Minister of Finance.
    • 重役たちが首を揃えて社長の到着を待っていた
    • The company directors were there awaiting the arrival of the president.
    • あの男は何にでも[人のことに]首を突っ込む
    • He pokes his nose into everything [other people's affairs].
    • 彼はどうやら首をつないだらしい
    • He seems to have been allowed to keep his post.
    • お帰りを首を長くして待っています
    • I'll be waiting eagerly for you to come back.
    • 罪人の首をはねる
    • behead [decapitate] a criminal
    • この謎には首をひねった
    • I had to think hard to solve this riddle./This riddle really 「baffled me [had me baffled].
    • 彼はようやく首を縦に振った
    • At long last, he nodded his assent.
    • 彼女はその申し出に対して首を横に振った
    • She shook her head at the proposal./She refused [declined] the offer.
    • neck
    • [参考]「首を切る」とか「首をかしげる」のように比ゆ的に用いられることも多い。