Daily Chinese Idiom Guessing Game
To persevere relentlessly; to never give up.
锲镂刻；舍停止。不断地镂刻。比喻有恒心，有毅力。
《荀子·劝学》锲而舍之，朽木不折；锲而不舍，金石可镂。”
She studied every night, demonstrating the spirit of perseverance.