This indicates that the wicked person usually receives from others what he displays, namely hostility. This, as it were, covers, or shuts, his mouth and silences him.
Tas norāda uz faktu, ka ļauni cilvēki lielākoties saņem no citiem tikpat naidīgu attieksmi, ar kādu viņi paši pret tiem izturas, un tāpēc viņi ir spiesti apklust.