① I want to eat meat for the first time in a long while.
② I would like to eat meat after a long time.
③ I wanna eat meat. I haven't had it for a while.
こんにちは^^
「久しぶりに肉を食べたい」ですね？
① I want to eat meat for the first time in a long while.
※ for the first time in a long while 久しぶりに
② I would like to eat meat after a long time.
※ would like to ～ ～したい（※want to よりも丁寧）
※ after a long time 久しぶりに
③ I wanna eat meat. I haven't had it for a while.
※ wanna ～ ～したい（※want to の省略形）
※ for a while しばらく
こんな感じでいかがでしょうか？^^
アダム先生＆ミチコ先生
アメリカ合衆国 
