プログレッシブ和英中辞典(第4版)の解説
ほんばん【本番】
a (public) performance；〔映画の〕a take；〔コンピュータで〕a production (run [job])
ぶっつけ本番でゆく
act [perform] without rehearsal／《口》 do a performance cold／〔講演を〕make a speech 「without preparation [impromptu]
本番中
during the performance
今度は本番です
〔映画で〕This will be an actual take.
これが本番だよ
This is it!
本番となると彼は強い
He's really good when it counts.