From Longman Dictionary of Contemporary EnglishGod (only) knowsGod (only) knowsspoken a) ANNOYused to show that you are annoyed because you do not know something, or because you think that something is unreasonableGod (only) knows who/what/how etc God knows what she’s doing in there. b) LOT/VERY MUCHused to emphasize what you are saying God knows, it hasn’t been easy. → godGod (only) knowsGod (only) knowsinfml a) used to emphasize that you are annoyed because you do not know something, or because you think that something is unreasonableGod knows who/what/how etc God knows what she’s doing in there. b) used to emphasize what you are saying God knows, it hasn’t been easy. → God
