俗
ぞく しょく
☆ noun (common) (futsuumeishi)
◆ layman (esp. as opposed to a Buddhist monk), laity, man of the world, the world
◆ local manners, modern customs
☆ adjectival nouns or quasi-adjectives (keiyodoshi)
☆ kind. adj-no
◆ common, popular
俗説で「玉レタスを4分の1程度食べると眠くなる」と言われ、韓国では仕事前のドライバーが食べてはいけない食べ物として知られている。
In Korea, there's a popular theory that says that: "If you eat a quarter of anIceberg lettuce, you will fall asleep". Thus, amongst truck drivers in Korea,lettuce is known as something that should not be eaten before work.