to try to prevent something or to prevent somebody from doing something, especially by making it difficult to do or by showing that you do not approve of it
دلسرد کردن, بازداشتن, منصرف کردن
2
B2+
to make somebody feel less confident or enthusiastic about doing something
دلسرد کردن, ناامید کردن
Don't be discouraged by the first failure—try again!