on sight

Noun

(climbing) An ascent of a route without falling, when one has been advised on it or has seen it.

Japanese Meaning

初見登攀：あらかじめ助言を受けたり、ルートを見たりした上で、最初の試みで落下することなく登る登攀（クライミング）スタイル。

Danny's on sight of the difficult pitch surprised the seasoned climbers.

ダニーのその難しいピッチの初見での完登は、ベテランのクライマーたちを驚かせた。

Sense（1）

(climbing) An ascent of a route without falling, when one has been advised on it or has seen it.

on sights

（ plural ）