This may be so in the sense that by sweet talk the wicked cover up their malicious intent to harm others. Or it could be that since the wicked are generally treated with animosity, the hostility they receive from others silences them.
احتمالاً به دلیل بدرفتاری مردم با شخص شریر ،‏ او به اجبار خاموش و ساکت می‌شود .‏