en_tn/act/27/17.md

they had hoisted it up

"they had uplifted it"

sandbars of Syrtis

Sandbars are very shallow areas in the sea where ships can get stuck in the sand. "Syrtis" is located on the coast of Libya, northern Africa. (See: rc://en/ta/man/translate/translate-names)

were driven along

“had to go in whatever direction the wind blew us" (See: rc://en/ta/man/translate/figs-activepassive)