# I carry out the words that I speak

"I do the things that I say"

# The matter will no longer be delayed

"What I say will no longer be delayed" or "What I say will happen soon"

# I will speak this word

"I will speak this message"

# in your days

"while you are alive" or "during you lifetime"

# rebellious house

"rebellious people". See Ezekiel 2:5.

# this is the Lord Yahweh's declaration

"this is what I, the Lord Yahweh, have declared". Yahweh speaks of himself to express the certainty of what he is declaring. See Ezekiel 5:11.