The labouring people tried their best to dam the river.

劳动人民尽最大努力筑堤防洪。

Centuries of silt deposition and diking has caused the river to flow above the surrounding farmland, making flooding a critically dangerous problem.

几世纪的淤以及筑堤导致了河六向周围的农田，造成洪泛滥的严重后果。