en_tn/col/02/06.md

Walk in Christ Jesus the Lord

This is an expression for living in a certain manor or consistent way. (See: rc://en/ta/man/translate/figs-idiom)

that you received him

"that you Colossian believers received Christ"

Be firmly planted in him, be built upon him

Paul uses two metaphors (the first of a plant with deep roots, the second of a well-constructed building) to describe the way in which believers ought to live and mature spiritually. (See: rc://en/ta/man/translate/figs-metaphor and rc://en/ta/man/translate/figs-parallelism)

be established in faith

live your life based upon your faith in Jesus Christ

abound with thanksgiving

to be very thankful to God.