at the mercy of sb/sth: In the power of; subject to the will and wishes of; without defense against دستخوش، بازیچهى، كاملا تحت فرمان و ارادهى كسى يا چيزى، در معرض The shipwrecked sailors were at the mercy of the wind and rain. سرنوشت ملوانان كشتى شكسته كاملا در دست باد و باران بود. Poor people are increasingly at the mercy of money-lenders. The small grocer was at the mercy of people he owed money to. @novinzaban 5.8K views16:53