lamely       
adverb uk/ˈleɪm.li/ us/ˈleɪm.li/
 (尤指借口或论据)站不住脚地,无说服力地
in a weak and unsatisfactory way
  "You must have been mistaken," she told Adam, rather lamely.  "你一定是搞错了,"她无力地对亚当说。 
 There was nothing else to say so I lamely asked what he'd like for breakfast. 没有别的话可说,所以我勉强问他早餐想吃什么。 
 See: lame
 - More examples
- "We have to get back," explained Denis lamely.
- He was often late home, lamely claiming he had been caught in a meeting.
- "Did you tell him to leave me alone?" - "I didn't get a chance," he said, rather lamely.