en_tn_condensed/luk/06/49.md

General Information:

Jesus compares the person who hears but does not obey his teaching to a man who builds a house that has no foundation and so will collapse when the flood comes. (See: rc://en/ta/man/translate/figs-simile)

But the person

"But" shows a strong contrast to the previous person who built with a foundation.

on top of the ground without a foundation

Some cultures may not know that a house with a foundation is stronger. Additional information may be helpful. Alternate translation: "but he did not dig down and build first a foundation" (See: rc://en/ta/man/translate/figs-explicit)

torrent of water

"fast-moving water" or "river"

flowed against

"crashed against"

collapsed

fell down or came apart

the ruin of that house was complete

"that house was completely destroyed"