Phrases Phrases for Complaining Politely

I have some reservations about...

Meaning

Expressing hesitation or uncertainty.

Translation language

John: Let's go ahead with the marketing campaign.
Alice: <b>I have some reservations about</b> the proposed strategy; it seems risky.
John: What specifically concerns you?
Alice: The target audience might not respond as expected. <b>I have some reservations about</b> its effectiveness.