merciless [ˈmɜ:rsɪləs]

例句:

• A doggrel epitaph...turned his fine phrases into merciless ridicule.
  来自L. Stephen
• They are one erudite and merciless bunch over there.
  来自SA
• Whistler, as always, was merciless.
  和以往一样，惠斯勒还是那么冷酷无情。
  
• The man is merciless.
  这人厉害极了.
  
• The killer was merciless.
  凶手残酷无情.
  
• A merciless creature, glorying in the heartache of her rivals.
  来自U. Bentley