限制级 Traditional form: 限制級 Pinyin (reading): xiànzhìjí Definitions: R-rated Characters: 限 - boundary, limit, line 制 - system; to establish; to manufacture; to overpower 级 - level, rank; class, grade Traditional characters: 限 - boundary, limit, line 制 - system; to establish; to manufacture; to overpower 級 - level, rank; class, grade