Word: 牢骚 (láosāo) Traditional: 牢騷 牢骚 dictionary entry láosāo discontent; complaint; to complain Full dictionary entry for 牢骚 Example sentences using 牢骚 2 sentences, showing page 1 of 1. 他心里一肚子牢骚。 Tā xīnli yìdǔzi láosāo. He is full of discontent. 老板听了很多客人的牢骚。 Lǎobǎn tīngle hěn duō kèrén de láosāo. The boss listened to a lot of complaints from customers.