讳莫如深

Traditional form:

諱莫如深

Pinyin (reading):

huìmòrúshēn

Definitions:

• important matter that must be kept secret (idiom); don't breathe a word of it to anyone!

Characters:

• 讳 - taboo; to shun, to conceal, to avoid mentioning
• 莫 - cannot; do not; is not; negative
• 如 - as, as if, like, such as, supposing
• 深 - deep, profound; depth

Traditional characters:

• 諱 - taboo; to shun, to conceal, to avoid mentioning
• 莫 - cannot; do not; is not; negative
• 如 - as, as if, like, such as, supposing
• 深 - deep, profound; depth