活躍 かつやく
katsuyaku

Noun
Suru Verb

1. activity (esp. energetic or successful); great efforts; active participation

Intransitive
仕事 しごとでご活躍 かつやくですね。
shigotode gokatsuyakudesune.
I see you're doing very well in your business.
Noun
Suru Verb

2. walking about with great vigor

Intransitive
元気 げんき活躍 かつやくしていることと おもいます。
genkide katsuyaku shite iru kototo omoimasu.
I hope things have been going well for you.