To sway unsteadily or collapse from drunkenness; to describe someone, initially of elegant bearing, who loses composure and sways when intoxicated.
他平时举止端庄，没想到几杯酒下肚，竟也玉山自倒，让人扶着才没摔跤
He usually carries himself with dignity, but unexpectedly, after a few drinks, he became unsteady and swayed, like a collapsing jade mountain, needing assistance to avoid a fall.
Next Idiom