Shirabe
造詣 が 深い
English jmdict
1
noun (common) (futsuumeishi) deep knowledge;attainments;scholarship
Expression adjective (keiyoushi)
English jmdict
1
expressions (phrases well-versed (in);profoundly knowledgeable (about);high in the attainment (of)
usu. as ～に造詣が深い