寻瘢索疵寻瘢索斑xún bān suǒ dī

in guisitive and fault-finding; look for little short coming/……从那～的舍监太太手里，毫无顾忌地收领男子手写的信，即不问中间讲些什么，那种感动与欢喜能够说得完想得尽么？(叶圣陶《倪焕之》175) …she would be able to collect letters in a man’s handwriting from the inquisitive,fault-finding Matron without any qualms,whatever was said in it. How unutterably,unimaginably exciting and delightful that would be!/我们是幼辈，不应该寻瘢索斑批评长辈的行为！(叶圣陶《倪焕之》 263) We’re the younger generation and it’s not for us to be always looking for some little shortcoming to criticize in the behaviour of our elders!