Question

tenuous 【tenuous】adj.细的；薄的The air ten miles above the earth is very tenuous.地面上十英里处的气体是非常稀薄的。

Accepted Answer

['tenjuəs] 
tenuousvery thin in gauge or diameter
If something is tenuous it's thin, either literally or metaphorically. If you try to learn a complicated mathematical concept by cramming for 45 minutes, you will have a tenuous grasp of that concept, at best.
Tenuous comes from the Latin word tenuis, for thin, and is related to our word tender. Something can be physically tenuous, like a spiderweb or ice on a pond. We more often use it in a metaphorical sense, to talk about weak ideas. Tenuous arguments won't win any debate tournaments. Synonyms for tenuous, also used physically or metaphorically, are flimsy and shaky.
All forms of 'tenuous' will appear on average once every 5707 pages.tenuitytenuoustenuously

Front	tenuous
Pron	['tenjuəs]
Back	【tenuous】 adj.细的；薄的 The air ten miles above the earth is very tenuous. 地面上十英里处的气体是非常稀薄的。
Vocab	tenuousvery thin in gauge or diameter If something is tenuous it's thin, either literally or metaphorically. If you try to learn a complicated mathematical concept by cramming for 45 minutes, you will have a tenuous grasp of that concept, at best. Tenuous comes from the Latin word tenuis, for thin, and is related to our word tender. Something can be physically tenuous, like a spiderweb or ice on a pond. We more often use it in a metaphorical sense, to talk about weak ideas. Tenuous arguments won't win any debate tournaments. Synonyms for tenuous, also used physically or metaphorically, are flimsy and shaky. All forms of 'tenuous' will appear on average once every 5707 pages. tenuity tenuous tenuously

Tenuous Thin Word Physically Tenjuəs Adj.细的；薄的 Air Ten