a tour guide

导游

When I went on a tour round China, I saw many historical sites.

在中国旅行时，我看到很多历史遗迹。

He planned to make a tour of the world on foot.

他计划徒步周游世界。

on a lecture tour

巡回讲学

The England cricket team is on tour in Pakistan.

英格兰板球队正在巴基斯坦巡回比赛。

While he was still a teenager, Mozart was already a big star and toured Europe giving concerts.

年仅十几岁时，莫扎特就已经是大明星了，并在欧洲各地举办巡回音乐会。