"It's been a while since I tried something new, so I'm excited."
- "It's been a while since I tried something new, so I'm excited."
"It's been a while since ~" 「〜のが久々だ」"while" の代わりに "long time" も言えます。
"I tried something new" 「何かに挑戦した」
"so I'm excited" 「ワクワクする」