make a great show of
make a great show of (doing something)
To do something in a very conspicuous, ostentatious manner. He made a great show of sighing despondently while Jenny was there so everyone knew how heartbroken he still was. My mother always made a great show of cleaning up our toys and clothes with a silent, bitter intensity to show just how annoyed she was at having to do it again.
make a great show of something
Fig. to make something obvious; to do something in a showy fashion. Ann made a great show of wiping up the drink that John spilled. Jane displayed her irritation at our late arrival by making a great show of serving the cold dinner.