耿耿于心

Explanation: Troubled: some suspense and can not forget. Can not forget, pull weigh on the heart. 　　Usage: Partial official; as predicate, attributive; things that can not forget 　　Source: Qing Ji Yun "Yue Wei Cao Tang notes": "I intended to be a poem, and its management subtle, dynamic enough exposition, where the number of easy to draft, neither self-satisfied, since ~." 　　Examples: The pity those who, learning of the wrong child slavery in the national responsibility of not doing nothing, so the ~, not self. (Ching Tien-Hua Chen, "Idiom" The fifth round) Thesaurus:  be immersed in love, Lick calf Wife, Dreaming, Geduqianchang, be deeply concerned, suffer from an obsession, Lou Bone bear in mind, Lou Heart ingrained, Haruki Muyun, Lick calf love, Hunqianmengrao, to remember always Antonym Group:  settle sth. by leaving it unsettled, Think nothing of it., discount cause (sb/sth) to be in a certain condition, defect make little of, defect care, cast one's cap at, blind to, Shushiwudu, leave out of account, pass without remark, ignore