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- Biologists are unable to explain why frogs are dying. 生物學家不能解釋為什麼青蛙死亡。
- Experts are unable to explain why the whales beached themselves. 專家無法解釋為什麼鯨魚令自己擱淺。
- It is essential to explain clearly to them what is right and what is wrong,what is beneficial and what is harmful. 要把是非講清楚，要把利害講清楚。
- Golden Virtue did not respond to this, but, unable to ignore her niece's question, she tried to explain. 金貞未置可否，但又不能對侄女的問題裝聾作啞、只好儘力解釋。
- It is essential to explain clearly to them what is right and what is wrong, what is beneficial and what is harmful. 要把是非講清楚，要把利害講清楚。
- Psychiatrists had been unable to find anything of significance to explain his actions. 精神科醫生一直無法找到任何有意義的東西來解釋他的行為。
- These common sense should be when they start using Clean Bench to explain clearly to staff, should not result in exemption from the accident and loss. 這些常識應在開始使用超凈台時就向工作人員講解清楚，免除不應造成的事故與損失。
- Once plentiful in the river the sturgeon population had dropped below 40000 and scientists were unable to explain the die-offs of mostly female fish. 一旦大量的河流，鱘魚人口已經跌破40000，科學家無法解釋死亡取捨的多數是女性魚類。
- A good question should be speechmaker several words may complete the reply, but does not need to spend compared to lecture a longer time to be able to explain clearly. 一個好的問題應該是演講人幾句話就可以完成回答的，而不需要花比演講更長的時間才能解釋清楚。
- A long line of car is unable to pass that road hog. 一長串的車子無法超越那個擋道的汽車駕駛。
- He is unable to do such a difficult job now. 他現在還不能做這樣困難的工作。
- We should take the initiative to explain clearly to them that because our customs and habits are different from theirs,we are likely to create misunderstandings and violate taboos,offending them without our realizing it. 我們要主動向他們說清楚，正是因為風俗習慣不同，容易引起誤會，容易犯忌諱，可能得罪了人還不知道。
- She was so angry as to be unable to speak. 她氣得連話都說不出來了。
- The jury are unable to reach a unanimous decision. 陪審團未能達成意見一致的裁決。
- We should take the initiative to explain clearly to them that because our customs and habits are different from theirs, we are likely to create misunderstandings and violate taboos, offending them without our realizing it. 我們要主動向他們說清楚，正是因為風俗習慣不同，容易引起誤會，容易犯忌諱，可能得罪了人還不知道。
- The firemen were unable to control the blaze. 消防隊員無法控制這場大火。
- He tried to explain away the missing money. 他試圖為丟失錢而進行辯解。
- She was unable to get to grips with her assailant. 她無力與襲擊她的人扭打。
- He go to great pain to explain the problem to us. 他費了很大勁向我們解釋那個問題。
- I'm unable to throw off this feeling of inertia. 我無法擺脫這種懶散的感覺。
