напряжённо думать(to think very hard in order to try to remember something, solve a problem, etc. (Merriam-Webster) • I decided to be brave and opened the screen door just enough to stick my head outside. I held my son up to look at it also, still indoors. After it looked at me and yet showed no fear I had more time to study it and I was racking my brain to identify what it was that I was seeing. (mysteriousuniverse.org)ART Vancouver); напряжённо размышлять(to think very hard in order to try to remember something, solve a problem, etc. (Merriam-Webster) • I decided to be brave and opened the screen door just enough to stick my head outside. I held my son up to look at it also, still indoors. After it looked at me and yet showed no fear I had more time to study it and I was racking my brain to identify what it was that I was seeing. (mysteriousuniverse.org)ART Vancouver); ломать себе голову(I've been racking my brain trying to recall where we put the key. Val_Ships); шевелить мозгами(Val_Ships); стараться вспомнить(to think very hard in order to try to remember something, solve a problem, etc. (Merriam-Webster) ART Vancouver); стараться припомнить(to think very hard in order to try to remember something, solve a problem, etc. (Merriam-Webster) ART Vancouver); стараться разгадать(to think very hard in order to try to remember something, solve a problem, etc. (Merriam-Webster) • I decided to be brave and opened the screen door just enough to stick my head outside. I held my son up to look at it also, still indoors. After it looked at me and yet showed no fear I had more time to study it and I was racking my brain to identify what it was that I was seeing. (mysteriousuniverse.org)ART Vancouver); стараться понять(to think very hard in order to try to remember something, solve a problem, etc. (Merriam-Webster) • I decided to be brave and opened the screen door just enough to stick my head outside. I held my son up to look at it also, still indoors. After it looked at me and yet showed no fear I had more time to study it and I was racking my brain to identify what it was that I was seeing. (mysteriousuniverse.org)ART Vancouver); пытаться сообразить(to think very hard in order to try to remember something, solve a problem, etc. (Merriam-Webster) • I decided to be brave and opened the screen door just enough to stick my head outside. I held my son up to look at it also, still indoors. After it looked at me and yet showed no fear I had more time to study it and I was racking my brain to identify what it was that I was seeing. (mysteriousuniverse.org)ART Vancouver)