首くびをきる首を切る表記・読み:クビを切る・首を斬る・くびをきる1to fire from a job; to dismiss; to dischargeexpressions (phrases, clauses, etc.)五段動詞(る)idiomatic expression2to beheadexpressions (phrases, clauses, etc.)五段動詞(る)札へ残す語をコピー