Phrases Asking for Help Politely

I could use a helping hand.

Meaning

I need some help.

Translation language

John: <b>I could use a helping hand</b> with these boxes.
Alice: Sure thing, let me give you a hand.
John: Thanks so much! I really appreciate it. I need to move this all to the truck. Again, <b>I could use a helping hand</b> with that.
Alice: No problem at all.