They enjoy climbing high.

他们喜欢登高。

youdao

It can be exhausting climbing high, far and fast.

爬的又高又远，还要快，通常使我疲惫不堪。

youdao

Climbing so high made me feel dizzy.

爬那么高使我感到头晕目眩。

《牛津词典》

Team member Noel Odell saw Mallory and Irvine climbing high on the mountain the following day.

VOA: special.2010.06.30

He said rock climbing is a high risk sport in which many people overestimate their abilities and underestimate the rock.

VOA: special.2009.12.09

And then there is bouldering climbing rocks between three and seven meters high.

VOA: special.2009.12.09

Spirit is currently climbing high into the Columbia Hills, which rise above Gusev crater where the spacecraft landed.

CNN: Mars rovers working overtime

The route takes in the lion's share of Switzerland's high-alpine scenery, climbing as high as 2, 033 metres at the Oberalp Pass.

BBC: Swiss movement

Mallory, a 37-year-old schoolmaster at Charterhouse, had already proven himself at climbing at high altitude.

ECONOMIST: Madness and its men