【喻】哪有那么大的蛤蟆满街跳（边：哪；咁：这么；蛤乸：蛤蟆）。意思是说没有那么便宜的事。进口货大平卖？边有咁大只蛤乸随街跳啊！（进口货大降价？哪有这样的好亊！）

(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