to avoid doing something you have promised to do, especially not to pay a debtمنابع• https://www.google.com/url?esrc=s&q=&rct=j&sa=U&url=https://dictionary.cambridge.org/dictionary/english/welched&ved=2ahUKEwjgp-qipoeRAxV2U6QEHXTCIKEQFnoECAIQAw&usg=AOvVaw0U2kLjU_QfiyIh1KXJerNK+ عکس و لینک