Let thirsty CATS lick water with their tongue and they will become lively.
activity - like 'Gang activity has increased in this area,' or, 'Her band's been really active this year,' etc.
|で 活躍 する
used in business or showbiz - to be doing a lot of things which are getting the notice of one's peer group. To suceed in making a name for one's self. To be going places. .