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- 贼性难改。 He that have do ill once will do it again.
- 狼牙会掉，狼性难改。 The wolf may lose his teeth,but never his nature.
- 贼性难改 The nature of an evil man is incorrigible; The habitual criminal is incorrigible
- 难 problem
- 积 old
- 积性凸函数且是积性凹函数的充分必要条件 A sufficient and necessary condition for a multiplicative convex function to be a multiplicative concave function
- 肢体高压氧治疗机对下肢瘀积性皮肤溃疡愈合的修复作用 Repair of stasis ulcer on legs by extremity hyperbaric oxygen apparatus
- 原粒细胞过多性难治性贫血 RAEM; refractory anemia with excess of myeloblast
- 你认为对多数人来说，吸烟是个难改的习惯吗? Do you think smoking is a habit that dies hard for most people?
- 一类函数积性误差模型最优校正估计的存在性 The Existence of the Best Correction Estimates About Multiplication Error Model of a Kind of Function
- 原始细胞过多性难治性贫血 RAEB; refractory anemia with excess of blast
- 基于Mathematica的特殊阿贝尔方程的可积性及其判定 Integrability Determination of Special Abelian Equation with Mathematica Software
- 她的丈夫是个积习难改的调情老手。 Her husband is an incorrigible flirt.
- 平方可积性 quadratic integrability
- 旧习难改。 Olds habits die hard.
- 肾病综合征，原发性难治性 idiopathic refractory nephrotic syndrome
- 淀积性 precipitability
- 那些老迈的政客们积习难改,无法了解这些新观念的重要性。 The older politicians are too set in their ways to understand the importance of these new ideas.
- 积性极 enthusiasm
- 真的,我发现自己在“秩序”方面实在积习难改。 In truth, I found myself incorrigible with respect to order.
