秘诀 mìjué secret know-how
secret know-how; key (to longevity); secret (of happiness); recipe (for success)
How to remember 秘诀: 秘 secret + 诀 to take leave of = secret know-how.
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How it is used
- The secret / key to achieving something - 成功的秘诀是坚持 (chénggōng de mìjué shì jiānchí) the secret to success is persistence.
- An intangible knack or method. Contrast 秘方 (a concrete recipe); 秘诀 is the know-how for happiness, success, longevity, etc.