simple, straightforward, or easy

listen to the pronunciation of simple, straightforward, or easy
İngilizce - Türkçe
İngilizce - İngilizce
plain sailing

In another fifty yards there was a second turn, this time toward the left! but it was more of a gentle curve, and we took it without trouble. After that it was plain sailing, though as far as I could know, there might be most anything ahead of us, and my nerves strained to the snapping-point every instant.