/ ˈredʒ.ə.mən / noun formal
any set of rules about food and exercise that someone follows, especially in order to improve their health:
After his heart attack the doctor put him on a strict regimen. 他的心脏病发作后,医生给他制订了严格的生活规则。

(Translation of 养生之道 from the Cambridge Chinese (Simplified)-English Dictionary © Cambridge University Press)

a piece of clothing, usually made from wool, that covers the upper part of the body and the arms, fastening at the front with buttons, and usually worn over other clothes

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