A long or difficult journey, especially on foot.

• A long hike, often in remote or rough terrain.

漫长或艰难的旅程，尤指步行。

• 常在偏远或崎岖地形中的长途徒步。

To make a slow or arduous journey.

• To hike or travel on foot over long distances.

进行缓慢或艰辛的旅行。

• 徒步行走长距离。

South African: a journey by ox wagon.

• The 19th-century Boer migration known as the Great Trek.

南非用法：乘牛车的旅行。

• 19世纪布尔人的大迁徙（Great Trek）。

Informal: relating to the Star Trek franchise.

• Used attributively as Trek- in compounds.

口语：与《星际迷航》系列有关的。

• 作定语时常写作 Trek- 用于复合词。