Wǔshìdào shì Rìběn chuántǒng wǔshì de dàodé guīfàn.
Bushido is the moral code of traditional Japanese samurai.
Tips
culture
武士道 is a Japanese term (pronounced bushidō in Japanese) borrowed into Chinese. It describes the ethical code governing the life of the samurai warrior, analogous in some ways to the European concept of chivalry.
memory
武 (martial) + 士 (warrior/scholar) + 道 (way/path) = the warrior's way. All three characters are common in Chinese, making the meaning immediately transparent.