to make something seem more important or serious than it really is
اغراق کردن, غلو کردن, بیش از حد نشان دادن, بزرگنمایی کردن, نمایش اغراق آمیز دادن, مبالغه کردن
The daring of his exploits had been hugely magnified by constant telling.
synonym exaggerate