They're off on a trip, to—wait for it—the Maldives!

他们外出旅行，到—听好了—马尔代夫群岛！

《牛津词典》

The president's envoy set off on another diplomatic trip.

总统特使再次踏上外交之旅。

《柯林斯英汉双解大词典》

The tour is a round-trip of the town and there are a total of 4 stops where passengers can get on and off the bus.

这趟旅行是一个小镇的往返旅程，总共有4站，乘客可以在那里上下车。

youdao

The team of students and research volunteers set off on a three-week boat trip to examine the area.

VOA: special.2009.09.22

Off on a trip that requires lots of gear?

BBC: A guide to travelling with only carry-on luggage

Paquin told me about the time LL Bean was late on a canoe delivery and one of his team members strapped the canoe on the top of his car and travelled from company headquarters in Freeport, Me. to New Jersey to make a personal delivery to the customer, who was about to take off on a trip down the Delaware river.

FORBES: Seven Signs of a Customer-Focused CEO

Jack, my 16-year-old son, and I set off on a road trip from Boston to Philadelphia.

FORBES: Measuring the Distance Between a Brand Promise and a Brand Experience