【喻】哪有那麼大的蛤蟆滿街跳（邊：哪；咁：這麼；蛤乸：蛤蟆）。意思是說沒有那麼便宜的事。進口貨大平賣？邊有咁大隻蛤乸隨街跳啊！（進口貨大降價？哪有這樣的好亊！）

(literally: where would there be such a big toad hopping around the street?); a rhetorical question suggesting that a deal is too good to be true