旅客 (lǚkè): traveler

Measure Word

一位旅客 wèi

Lǚkèmen qǐng zhùyì.

Attention, passengers.

Zhè tàng huǒchē yǒu hěn duō lǚkè.

There are many passengers on this train.

usage

旅客 emphasizes the travel/transit aspect — you'll hear it at train stations and airports. For sightseeing tourists, 游客 is more common.

旅 lǚ

客 kè