积 | jī | to amass / to accumulate / to store / measured quantity (such as area of volume) / product (the result of multiplication) / to integrate (math.) / to solve (or integrate) an ordinary differential equation (math.) / old / long-standing | |
旧案 | jiù àn | old court case / long-standing legal dispute | |
夙敌 | sù dí | old foe / long-standing enemy | |
夙嫌 | sù xián | old grudge / long-standing resentment | |
夙诺 | sù nuò | old promise / long-standing commitment | |
宿债 | sù zhài | long-standing debt | |
宿弊 | sù bì | long-standing abuse / continuing fraud | |
苦大仇深 | kǔ dà chóu shēn | great bitterness, deep hatred (idiom) / deeply ingrained long-standing resentment |