feebly          
adverb uk/ˈfiː.bli/ us/ˈfiː.bli/
 虚弱地,无力地
in a weak way, without energy, strength, or power
  He lifted his hands feebly. 他无力地举起双手。 
 The ball hopped feebly toward the goal. 球无力地弹向球门。 
  软弱地;无力地;无效地
in a way that is not effective or good
  "It's nice!" said Henry feebly. “这真好!”亨利虚弱地说。 
 I objected, but only feebly. 我表示反对,但不够坚决。 
 See: feeble
 - More examples
 - I reached the tree and leaned feebly against it.
 - She smiled feebly.
 - They protested feebly that they didn't know what I was talking about.
 - I was feebly trying to make my excuses.