Possible meanings are 1) "he spoke the name 'Yahweh.'" or 2) "he proclaimed who Yahweh is." For the second meaning, "name" would represent who God is. (See: [[rc://en/ta/man/translate/figs-metonymy]])
The abstract nouns "faithfulness" and "trustworthiness" can be stated as "faithful" and "trustworthy." AT: "always being faithful to my covenant and always being trustworthy" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])
The abstract noun "faithfulness" can be stated as "faithfully" or "faithful." See how you translated a similar phrase in [Exodus 20:6](../20/04.md). AT: "faithfully loving thousands of generations" or "faithful to his covenant with thousands of generation" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])
Yahweh is speaking about himself. AT: "But I will" (See: [[rc://en/ta/man/translate/figs-123person]])
# he will by no means clear the guilty
Yahweh is speaking about himself. AT: "I will by no means clear the guilty" (See: [[rc://en/ta/man/translate/figs-123person]])
# will by no means clear the guilty
"will certainly not clear the guilty" or "will certainly not say that the guilty are innocent" or "will certainly not free guilty people"
# He will bring the punishment for the fathers' sin on their children
Punishing people is spoken of as if punishment were an object that someone could bring on people. AT: "He will punish the children for their fathers' sin" (See: [[rc://en/ta/man/translate/figs-metaphor]])
# their children
The word "children" represents descendants. AT: "their descendants" (See: [[rc://en/ta/man/translate/figs-metonymy]])