adv.無情地;殘忍地
The sun is roasting us mercilessly. 太陽無情地燒烤著我們。
It went on a rampage and mercilessly drilled another robot. 它繼續(xù)狂暴殘忍地鉆擊另一個機器人。
Thousands of Chinese civilians were mercilessly tortured and murdered. 數(shù)以千計的中國人民在這里被殘忍地拷打殺害。