Vietnamese phrase
How to say “Yes, but don't use flash.” in Vietnamese
“Yes, but don't use flash.” in Vietnamese is
Được, nhưng không dùng đèn flash.
Hear it in both accents
Vietnamese sounds noticeably different north to south. Both are recorded so you can match wherever you are.
Northern
Hanoi and the north
Southern
Saigon and the south
When you would use it
This line comes from the Museum Visit Basics situation pack in XinChao (Survival) — the moments you actually run into in Việt Nam, not textbook drills.
See the survival packs