旁观者清 (旁觀者清) páng guān zhě qīng

páng guān zhě qīng set phrase the person on the spot is baffled, the onlooker sees clear; the spectator sees more of the game
Domain: Idiom 成语
Notes: (CC-CEDICT '旁觀者清')

Also contained in

当局者迷,旁观者清