► 成句
第一線 [だいいっせん] [一線を退く] meaning: retire rank: 4
☆ 彼は政界の第一線から退くことを表明した ⇨ He announced that he would step back from the forefront of the political world (☛ Not completely retire, but scale down the activity significantly)
► 名詞
第一線 [だいいっせん] meaning: front rank: 4
☆ 彼女は芸能界の第一線で四十年以上活躍してきた ⇨ She has been at the forefront of the entertainment world for more than forty years