狗咬吕洞宾，不识好人心

Traditional form:

狗咬呂洞賓，不識好人心

Pinyin (reading):

gǒuyǎo Lü Dòngbīn,bùshíhǎorénxīn

Definitions:

• a dog biting Lü Dongbin (idiom)
• to ill reward a person's kindness

Characters:

• 狗 - dog
• 咬 - to bite, to gnaw
• 吕 - a musical note; surname
• 洞 - cave, grotto, hole, ravine
• 宾 - guest, visitor; surname; submit
• 不 - no, not, un-; negative prefix
• 识 - knowledge; to understand, to recognize, to know
• 好 - good, excellent, fine; proper, suitable; well
• 人 - man, person; people
• 心 - heart; mind; soul

Traditional characters:

• 狗 - dog
• 咬 - to bite, to gnaw
• 呂 - a musical note; surname
• 洞 - cave, grotto, hole, ravine
• 賓 - guest, visitor; surname; submit
• 不 - no, not, un-; negative prefix
• 識 - knowledge; to understand, to recognize, to know
• 好 - good, excellent, fine; proper, suitable; well
• 人 - man, person; people
• 心 - heart; mind; soul