Excuse me.
对不起。
Excuse me, are you Sarah Wilson?
对不起, 请问你是Sarah Wilson吗?
Excuse me. Could l have some water, please?
对不起, 可以要杯冰开水吗?
Be careful. Those are heavy.
小心, 那些蛮重的。
Hello! Can you help me?
嘿！可以请你帮个忙吗?
Could you give us a hand, please?
可以请你帮个忙吗?
Could you do me a favor?
可以请你帮个忙吗?