hole-in-the-wall

基本解释

The streets are filled with thousands of hole-in-the-wall restaurants, each with its own specialties.
北京的街道上有很多簡陋的小飯館，各個都有自己的特色。
Even though it was just a small hole-in-the-wall cafe, people from all around flocked to Mel’s Diner to enjoy a genuine home cooked meal.
雖然邁爾的簡便餐厛衹是個小喫店，人們從各地湧來享受真正的自制口味。
edu.sina.com.cn
Small convenience stores sit practically on every corner, either hole-in-the-wall mom-and-pop shops, or the bright, boxy chain store variety.
便利店遍佈每個角落，要麽是不起眼的夫妻襍貨店，要麽是亮堂堂的連鎖便利店。

But, for those in the know, many incredible, older, not quiet hole-in-the-wall, food merchants still exist.
FORBES: Navigating East Hampton's Food Scene One Market at a Time
The T815 has just a bit more features than the T805 -- but both fit in your pocket, have visual and spoken directions and points-of-interest location (like the hole-in-the-wall burger joint).
ENGADGET: Motorola T805 and T815 navigators: for most Bluetooth phones