Walking on a path is a metaphor for how a person lives his life. The words "in him" refer to being in close relationship with Christ and so doing what pleases him. AT: "live your lives the way he wants you to" or "live so that people can see that you belong to him" (See: [[:en:ta:vol1:translate:figs-metaphor]])
Paul speaks of a person with true faith in Christ as if that person were a tree growing in solid ground with deep roots. (See: [[rc://en/ta/man/translate/figs-metaphor]])
Paul speaks of a person with true faith in Christ as if that person were a building that has a strong foundation. (See: [[rc://en/ta/man/translate/figs-metaphor]])
This is best stated without naming or otherwise calling attention to the teacher, who was Epaphras ([Colossians 1:7](../01/07.md)). AT: "just as you learned" or "just as they taught you" or "just as he taught you"
Paul speaks of thanksgiving as if it were objects that a person could obtain more of. AT: "be very thankful to God" (See: [[rc://en/ta/man/translate/figs-metaphor]])