dunchee hole-in-the-wall / hole in the wall 有兩個意思。其中一個用於形容一間小店 https://www.merriam-webster.com/dictionary/hole-in-the-wall https://www.britannica.com/dictionary/hole%E2%80%93in%E2%80%93the%E2%80%93wall https://www.dictionary.com/browse/hole--in--the--wall
