We might put it this way: They had knocked on the door leading to Asia ​ — but in vain. They had knocked on the door leading to Bithynia ​ — again in vain. Did they stop knocking?
كَلَّا ،‏ فَهذَا لَمْ يَجْعَلْ هؤُلَاءِ ٱلْكَارِزِينَ ٱلْغَيُورِينَ يَسْتَسْلِمُونَ .‏