新办企业用英语可以翻译为 "start a new business"。

"Start" 是一个动词，意思是 "开始"。"A new business" 是名词短语，意思是 "一个新的企业"。

下面是一些例句，包括英文原文和中文翻译：

"I'm thinking about starting a new business in the food industry." (我正在考虑在食品行业开办一家新企业。)
"She's been planning to start a new business for months now." (她已经计划开办新企业好几个月了。)
"Starting a new business is a big undertaking, but it can also be very rewarding." (开办新企业是一项重大的任务，但也可能非常有价值。)