trek
verb [ I usually + adv/prep ] uk/trek/ us/trek/ -kk-
（徒步）长途跋涉，翻山越岭
to walk a long distance, usually over land such as hills, mountains, or forests
We spent the day trekking through forests and over mountains. 白天我们穿过丛林，翻山越岭。
informal I trekked (= walked a long and tiring distance) all the way into town to meet him and he didn't even turn up. 我大老远好不容易进城来看他，他却连面都不露一下。
trek
noun [ C ] uk/trek/ us/trek/
C1 （徒步）长途跋涉，翻山越岭
a long walk over land such as hills, mountains, or forests
We did an eight-hour trek yesterday. 昨天我们走了8个小时。
informal（令人精疲力尽的）艰苦行程
a walk that is long and difficult or makes you feel very tired
You can walk to town from here, but it's quite a trek. 你可以从这儿走到城里去，但是路有些远。