本性: inherent character; nature难: catastrophe; calamity; disas ...藏: storing place; depository; d ...boys本性难移: boys are本性难改: a leopard never changes its spot; the leopard can’t change its spots本性难移: it is hard to change [alter] one's nature.; a leopard cannot change its spots.; a leopard will never change its spots.; an old dog cannot alter its way of barking.; it is difficult to alter one's character.; one's nature cannot be altered但本性难移: a friend exaggerates a man's virtue an enemy his crimes江山易改,本性难移: Rivers and mountains may be changed but it's hard to alter a man's nature.A leopard never changes his spots.It's easy to change rivers and mountains but hard to change a person's nature.The child is father of the man.You can change mountains and rivers but not a person's nature.江山易改,本性难易: the wolf may lose his teeth, but never his nature江山易改本性难移: a crow is never the whiter for washing herself often; you can change mountains and rivers but not a person's nature江山易改本性难以: you cannot make a crab walk straight山河易改,本性难移: It's easy to change mountains and rivers,but hard to change a person's nature.The leopard can't change its spots.山河易改本性难移: it's easy to change mountains and rivers but hard to change a person's nature本性: natural instincts; natural character; nature; inherent quality; essential(ly)◇本性点 [数学] essential point; 本性根 [数学] essential root; 本性集 [数学] essential set; 本性奇点 [数学] essential singularity; essentially singular point; 本性上确界 [数学] essential supremum; 本性正矩阵 [数学] essentially positive matrix本性,本身: in oneself本性的: essential本性点: essential point本性根: essential root本性集: essential set本性上: by nature本性态: cost behavior根本性: fundamentality基本性: essemtiality; fundamentality秉性难移: leopard cannot change its spots母原性难产: maternal dystocia