Phrases Asking for Help Politely

Could you possibly lend me a hand?

B2

Meaning

Could you please help me?

Example sentences

John: I'm having trouble moving this box.

Alice: Could you possibly lend me a hand? I mean, could you possibly lend me a hand?

John: Sure, let's do it together.

Alice: Thanks! Could you possibly lend me a hand with this as well?