tenuously          
adverb uk/ˈten.ju.əs.li/ us/ˈten.ju.əs.li/
 薄弱地,不牢固地
connected in a way that is not strong or certain
  pay increases that are only tenuously linked to performance 只与业绩勉强挂钩的加薪 
  literary脆弱地,易损地 
in a way that is weak, and easily broken
  Patches of snow clung tenuously to the mud and dead grass.  成片的雪松散地覆盖在泥土和枯草上。 
 See: tenuous
 - More examples
 - All these comic bits are rather tenuously connected.
 - The evidence for the link between APS and other diseases may be intriguing, but is at best only tenuously established.
 - The decision was a savage blow for a town clinging rather tenuously to the belief that it is a regional shopping centre.
 - Fish are often hooked so tenuously that just the weight of the fish can pull the hook free as the fish is pulled from the water.