merciless

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++mer·ci·less /ˈmɜːsɪləs $ ˈmɜːr-/ adjective  1  CRUELcruel and showing no kindness or forgiveness 冷酷无情的，残忍的 a merciless attack 无情的攻击 a merciless killer 残忍的杀手2  merciless heat/cold/wind etc heat, cold etc that is very great or strong and unpleasant, and does not stop 酷热/严寒/凛冽的风等 It brings some relief from the merciless summer heat. 它给夏天的酷热带来些许凉意。 —mercilessly adverb He teased his sister mercilessly. 他无情地戏弄他的姐姐。

Examples from the Corpus

merciless• He was very sweet; sweet and merciless.• They gave Donlan the same merciless beating Clark received in Chicago.• And again events have dealt them a series of merciless blows.• He had a cruel, clever, merciless face, with a big curved nose and very bright, hard eyes.• I have suffered as a result of this merciless hard line plenty of times myself.• The furies had claws and merciless teeth.

mer·ci·less adjectiveChineseSyllable  

forgiveness Corpus kindness cruel showing no or and

merciless
mer‧ci‧less /ˈmɜːsɪləs $ ˈmɜːr-/ adjective
1. cruel and showing no kindness or forgiveness:
    a merciless attack
    a merciless killer
2. merciless heat/cold/wind etc heat, cold etc that is very great or strong and unpleasant, and does not stop:
    It brings some relief from the merciless summer heat.
—mercilessly adverb:
    He teased his sister mercilessly.

mer·ci·lessBrE /ˈmɜːsɪləs/ 🔊NAmE /ˈmɜːrsɪləs/ 🔊 adjectiveshowing no kindness or pity 毫不怜悯的；无情的；残忍的 SYN cruel ◆a merciless killer/attack 无情的杀手／攻击◆the merciless heat of the sun太阳的酷热▸ mer·ci·less·ly BrE /ˈmɜːsɪləsli/ 🔊NAmE /ˈmɜːrsɪləsli/ 🔊 adverb  ➡  see also mercy