Take pains, often used to describe taking pains for work or something. Textbook 1, Ye Shengtao's Never Tired Collection and Struggle: "Ah, I have worked hard here for several years, and now I am kicked out!" 2. Chapter 1, Chapter 3, Chapter 3 of Tran Dang Khoa's Storm: "At that time, they will recall the predecessors of this class and how they tried to persuade them to get lost ... they may cry to death." 3. People's Literature, No.5, 1978: "For the construction and perfection of this team, Mr. Lu Xun really worked hard and spent his whole life."