unpredictable 無法預言的 ；
unavoidable 無法避免的；
unattainable 無法得到的；
unreliable 不可靠的；
unbearable 難耐的；
unfavourable 不利的；
unsociable 不愛交際的；
unsustainable 不能持續的 擴展資料
He said his first wife persecuted him with her unreasonable demands
他說他的.第壹任妻子總是拿無理要求糾纏他。
You make friends with people and then make unreasonable demands so that they reject you.
妳和別人交朋友，然後向人家提出無理要求，結果被人家拒絕。
She was unpredictable, explosive, impulsive and easily distracted.
她難以捉摸，脾氣暴躁，沖動魯莽，容易分心。
She sees exercise primarily as an unavoidable chore.
她基本上把鍛煉看做是不得不做的瑣事。
It's unavoidable to have both good and bad people in a large crowd.
人多了，難免良莠不齊。