priceless
adj
1 too valuable to be priced 無價的; 極其貴重的
priceless jewels, paintings, treasures, etc 極其貴重的首飾、 畫、 珍寶等
(fig 比喻) Her one priceless asset is her unflappability. 她有一點是非常難能可貴的, 就是她遇事冷靜. =>Usage at invaluable 用法見invaluable.
2 (infml 口) very amusing or absurd 非常有趣的; 十分荒唐的
a priceless joke 非常有趣的笑話
You look absolutely priceless in that hat! 你戴著那頂帽子很滑稽!