know the scoop on(scoop is information about something that is currently important or happening or that is interesting to many people: She always knows the scoop on fashions.Yerkwantai)
at the eleventh hour(The saga surrounding Leeds United's chase for then-Swansea City star Daniel James rumbled on throughout the January transfer window and came to a dramatic halt on deadline day, with the Welsh side pulled the plug on the deal in the 11th hour.)
claimant to a monopoly of absolute truth(Претендовать на истину в последней инстанции может кто угодно, и претендентов полно. – Anyone can claim a monopoly of absolute truth, and claimants are plentiful. VLZ_58)
take something with a grain of salt(в контексте, напр.: Just my two cents. Take it all with a grain of salt. – Я не претендую на истину в последней инстанции4uzhoj)