unable
adj. 不能…的; 无法…的
If you are unable to do something, it is impossible for you to do it, for example because you do not have the necessary skill or knowledge, or because you do not have enough time or money.
The military may feel unable to hand over power to a civilian President next year...
军方可能会觉得明年难以将政权移交给一位民选总统。
Unable any longer to keep from breaking in she said, 'I simply cannot believe you're serious.'
她再也忍不住了,便插话道:“我真不敢相信你是认真的。”
1. (usually followed by `to') not having the necessary means or skill or know-how;
2. (usually followed by `to') lacking necessary physical or mental ability;
3. lacking in power or forcefulness;
The ice blocks up the river, making the upstream water unable to flow.
冰把河道堵住了, 上游的水流不下来.
I was unable to resist laughing.
我忍不住笑了.
At the approach of cold weather, the troops were unable to keep holding the field.
寒冷的天气到来时, 部队无力继续作战.
The crew seemed unable to right the capsized yacht.
水手们好像无法使倾覆的游艇翻过来.
They were unable to run the telephone network economically.
他们未能经济地经营电话网络.