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简陋的小饭馆，各个都有自己的特色。
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.
虽然迈尔的简便餐厅只是个小吃店，人们从各地涌来享受真正的自制口味。
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Small convenience stores sit practically on every corner, either hole-in-the-wall mom-and-pop shops, or the bright, boxy chain store variety.
便利店遍布每个角落，要么是不起眼的夫妻杂货店，要么是亮堂堂的连锁便利店。

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