mirthless [ˈmɜ:rθləs]

例句:

• He was falsely jovial, with his booming, mirthless laugh.
  他低声苦笑了几声，装出快乐的样子。
  
• He permitted himself a small mirthless smile.
  他挤出一丝苦笑。
  
• His mouth corners curved in his highly individual, cold, almost mirthless smile.
  他嘴角一抿, 露出极为独特的, 几乎是闷闷不乐的淡笑.
  
• His mirthless grin isn't fixed, but the lipstick smear of a crazy street lady.
  来自WSJ
• Erdmann, recounting the story two weeks later in his trailer behind the palace, smiled in his mirthless way.
  来自NEWYORKER
• Working from a script by Michael Gerbosi, Schrader jumps through vignettes of mirthless fun and bland debauchery.
  来自NEWYORKER