guilefully

Let not another man hear thy secrets when engaged in legal strife, lest he come to hate thee and become thy enemy, and commit a great sin against thee; for ofttimes he addresseth thee guilefully or busieth himself about thee with wicked intent.

Often, therefore, did she flatter me with words as a holy man, and guilefully in her talk praise my chastity before her husband, while desiring to ensnare me when we were alone.