Senses
渣儿/ 渣兒 weakness
a weakness, shortcoming, or defect; a point of vulnerability that others can exploit
渣儿/ 渣兒 bruise
a mark of damage or a bruise, such as on a piece of fruit
渣儿/ 渣兒 unpleasantness
a grudge, minor friction, or a source of unpleasantness between people
渣儿/ 渣兒 crumbs
small fragments, crumbs, dregs, or residue