say-so
n [sing] (infml 口)
1 statement made by sb without proof 无充分根据的话
Don't just accept his say-so
find out for yourself. 别听他信口开河, 你得自己去弄清楚.
2 permission (to do sth); power (to decide sth) （做某事物的）许可; （决定某事物的）权力
You don't need my say-so to change things. 你不必向我请示可自行做些变动.