「碌なかぶれ方をして下さらないのね」
translation
"You're not doing a good job of getting a rash."
kanji (pronunciations & definitions)
| 碌: satisfactory (ろく), decent, good, proper, worthy | 方: direction (かた), way, person, lady, gentleman | 下: below (した), down, under, younger (e.g. daughter), bottom |