en_tn_condensed/rev/02/02.md

I know ... your hard labor, and your patient endurance

"Labor" and "endurance" are abstract nouns and can be translated with verbs "work" and "endure." Alternate translation: "I know ... that you work very hard and that you endure patiently" (See: rc://en/ta/man/translate/figs-abstractnouns)

but are not

"but are not apostles"

you have found them to be false

"you have recognized that those people are false apostles"