tung4 sau2 mou4 hei1童叟無欺童叟无欺

Jyutpingtung4 sau2 mou4 hei1
Yaletùhng sáu mòuh hēi

Definition

Honest and fair to all customers, regardless of age.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector