every month

体: appearance / 底: base of a logarithm / 艇: boat

丁: the fourth of the ten Heavenly Stems

帝: emperor / 態: attitude, mode, condition / 体: body, mode, condition / 訂: correction, revision / 低: low / 邸: mansion, residence / 第: mansion / 堤: levee, mound / 底: bottom / 庭: garden / 廷: garden, court

定価: fixed price / 低下: fall, decline

提案: proposal; suggestion

提案: to propose; to suggest

裸裎: naked; extreme rudeness

徒弟: apprentice

定理: theorem