阶级: (social) class...
泥土: earth, soil, mud, clay...
宗: school, sect, purpose, model, ancestor, clan, to take as one's model (in academic or artistic work), classifier for batches, items, cases (medical or legal), reservoirs...
无所谓: to be indifferent, not to matter, cannot be said to be...
时机: fortunate timing, occasion, opportunity...
厨房: kitchen...
设法: to try, to make an attempt, to think of a way (to accomplish sth)...
美中不足: everything is fine except for one small defect (idiom); the fly in the ointment...