{n. phr.} A speech, performance, or activity of such superior quality that the person next in line feels and thinks that it would be very difficult to match it in quality. * /Sir Lawrence Olivier's performance of Hamlet was a tough act to follow in every sense./
TOUGH ACT TO FOLLOW
Meaning of TOUGH ACT TO FOLLOW in English
Dictionary of English idioms . Словарь английских идиом. 2012