了然于胸 liǎorányúxiōng well aware Definitions Defs Origin Strokes Stroke Words Sentences Sents 了然于胸 (了然於胸) liǎorányúxiōng well aware expression (idiom) to be well aware; to understand clearly Sources Definitions CC-CEDICT
了然于胸 (了然於胸) liǎorányúxiōng well aware expression (idiom) to be well aware; to understand clearly Sources Definitions CC-CEDICT