了然於胸 Save Sign in to save words Simplified: 了然于胸 liǎorányúxiōng ㄌㄧㄠˇ ㄖㄢˊ ㄩˊ ㄒㄩㄥ 男 女 to be well aware to understand clearly idiom Character by character 了(liǎo)finish 然(rán)correct 於(yú)in 胸(xiōng)chest A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0