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1. unable to 不能
Much to my regret, I am unable to accept your kind invitation.
不能接受您的盛情邀请， 深为抱歉。
2. be intent on 决意
But for now at least, Russia seems intent on showing up Mr. Assad's position.
但是至少从目前来看，俄罗斯似乎决意要稳固阿萨德政权。
3. ready to 准备好
The nurses just readied to all things, the doctor started surgical operation.
护士们刚刚准备好所有的东西，医生就开始手术了。
4. take to the air 飞行
Boeing's troubled 787 Dreamliner will at last take to the air this month, two years late.
在推迟了两年之后�
