了然于胸 — Chinese idiom

Meaning

• to be well aware; to understand clearly

Character by character

• 了liǎoclear; to finish; particle of completed action
• 然ráncertainly; naturally; suddenly
• 于yúat, in, on; to, from; alas!
• 胸xiōngbreast, bosom; heart, mind

Idioms sharing a character

• 一了百了 yī liǎo bǎi liǎo
• 一目了然 yī mù liǎo rán
• 了如指掌 liǎo rú zhǐ zhǎng
• 了无生趣 liǎo wú shēng qù
• 前缘未了 qián yuán wèi liǎo
• 敷衍了事 fū yǎn liǎo shì
• 直截了当 zhí jié liǎo dàng
• 脸都绿了 liǎn dōu lǜ le
• 不以为然 bù yǐ wéi rán
• 井然有序 jǐng rán yǒu xù

Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3). Retrieved 2026-10-22.