at a snail’s pace

idiom :
بسیار کند و آرام
خیلی آهسته
به عنوان مثال :
The work is progressing at a snail's pace

منابع

• https://www.merriam-webster.com/dictionary/at_a_snail_s_pace• https://www.ldoceonline.com/dictionary/at-a-snail-s-pace

خیلی آهسته