牢骚 (láosāo): complaint

Meanings

Tā zǒngshì mǎnfù láosāo.

He is always full of complaints.

Bié fā láosāo le, zuò diǎn shíshì ba.

Stop grumbling and do something practical.

usage

Most commonly appears in the phrase 发牢骚 (fā láosāo) meaning 'to grumble/complain'. Also: 满腹牢骚 (full of complaints).

牢 láo

骚 sāo