Paul speaks of a false claim that his enemies state as if it were something that he can cut off. Alternate translation: "so that they have no reason to criticize me or to boast that they are doing the same work that we are doing" (See: [[rc://en/ta/man/translate/figs-metaphor]])
This can be stated in active form. Alternate translation: "that people will think that they are like us" or "that people will think they are doing the same work we are doing" (See: [[rc://en/ta/man/translate/figs-activepassive]])