A young man sidled up to me and said, "May I help you?"

一个年轻人悄悄地走向我，并说道：“我可以帮你吗？”

《柯林斯英汉双解大词典》

May I help you take a picture?

我能帮你照张相吗？

youdao

May I help you, Auntie?

大妈，我帮您好吗？

youdao

Who's on the line, and how may I help you?

WHITEHOUSE: The White House

Andrew (Apple sales manager): Hi, May I help you?

FORBES: Apple Retail Reduces Stress of Shopping on Black Friday

How may I help you?

WHITEHOUSE: The White House