Question

概括he lost his arm but is sitll climbing

概括he lost his arm but is sitll climbing

Answer 1

He lost his arm but is still climbing = He is still climbing with his arm lost =Though he lost his arm, he is still climbing = In spite of / Despite (of) his losing his arm , he is still climbing. 尽管他失去胳膊，但依然在攀登。
也可以说： His losing his arm doesn't prevent him (from) continuing climbing.

Answer 2

he lost his arm but is sitll climbing
他失去了他的手臂，但还是爬

Answer 3

他失去了臂膀依然往上爬

Answer 4

他失去了手臂却依然向上爬

Answer 5

He climbs with one arm