Hayatın doğası açıklanamaz. - Life's nature is inexplicable.
Tom normalde çok güvenilirdi ve onun toplantıya gelmemesinin nedeni açıklanamaz. - Tom was normally very reliable and his absence from the meeting was inexplicable.
If something is inexplicable, you cannot explain why it happens or why it is true. For some inexplicable reason, the investors decided to pull out. = incomprehensible + inexplicably in·ex·pli·cably She suddenly and inexplicably announced her retirement. too unusual or strange to be explained or understood = incomprehensible, strange strange