失礼だが

excuse me, but

→ 失礼だ
phrase Uncommon #9,279
excuse me, but Often used to soften a question, interruption, or request. 失礼ですが is the more polite form.
JA: 失礼だが、少し質問してもいいですか。
EN: Excuse me, but may I ask a question?

失礼だが以前会ったかな?

Excuse me, have we met before?

— グッバイ、レーニン! (2003)

失礼だが同意出来ない。

With all due respect, I can't agree.

失礼だが―これは活動じゃない

With all due respect—this isn't an activity.

— ブゴニア (2025)

失礼だが

Excuse me, but...

— ほんとうのピノッキオ (2019)

失礼だがコンサーティーナか?

Excuse me, but are you a concertina?

— どん底作家の人生に幸あれ! (2019)

失礼だが撮影の予定表は?

Excuse me, but where's the filming schedule?

— 8 1/2 (1963)

失礼だが…

Excuse me, but...

— どん底作家の人生に幸あれ! (2019)