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Sentence

彼かれは努ど力りょくして先せん輩ぱいを追おい越こし、部ぶ長ちょうになった。

Span Details

努ど力りょく

effort; hard work; endeavor

noun, suru verb

light/support verb with a noun or noun-like phrase

-> するgrammar

先せん輩ぱい

senior; superior; elder; older person; predecessor

追おい越こし、

passing; overtaking

部ぶ長ちょう

department head; section chief; director

direction, time, indirect object, or target marker

become; get; turn; grow

-> なるgodan verb, auxiliary

past tense or completed action