chuán / lǎo / dà / shú / xī / zhè / piàn / shuǐ / yù / dài / zhe / dà / jiā / ān / quán / de / dù / guò / le / hé

船老大熟悉这片水域，带着大家安全地渡过了河。

The boatman knew these waters well and safely took everyone across the river.