周身刀-冇張利 | “A Knife All Over, Yet Not One Blade Is Sharp” — The Cantonese Saying About Being Jack of All Trades but Master of Nonet|廣東話歇後 「周身刀,冇張利」係一句非常經典嘅廣東話歇後語,用嚟形容一個人好似樣樣都識少少、樣樣都有涉獵,但真正做到出色或者專精嘅地方卻唔多。喺香港舊時社會,尤其係基層勞動環境入面,人人都要識多門手藝先搵到食,但如果每樣都只係半桶水…