Can you help me with this heavy suitcase?
pe-SAN-te — stress on second syllable. The final 'e' is clear and pronounced.
Ask a fellow passenger when you are struggling to lift a large or heavy suitcase into the overhead rack on the train.
Mi aiuta (will you help me) — third-person Lei form of aiutare, used as a request. Con questa valigia (with this suitcase) — con + questa (this, feminine) + valigia (suitcase). Pesante (heavy) modifies the noun and explains why help is needed.
Può tenerla un momento?
Can you hold it for a moment?
Tenerla (hold it) — asks someone to temporarily hold the bag
È troppo pesante per me da sola.
It is too heavy for me alone.
Da sola (alone, feminine) / da solo (masculine) — explains the need for help
Dove posso mettere i bagagli voluminosi?
Where can I put bulky luggage?
Voluminosi (bulky/large volume) — asking about the dedicated luggage area
Helping strangers with heavy luggage is second nature on Italian trains — offering to help is never seen as intrusive and is almost always warmly received, often followed by a friendly chat.