1·She was unable, for once, to control and manipulate events.
她曾一度无法控制和操纵事件。
—— 《柯林斯英汉双解大词典》
2·These people are usually unable or unprepared to endure the long haul.
这些人通常无法或没有准备好忍受这费时费力的工作。
3·Yet, despite the obvious rewards of engaging in office politics—a better job, a raise, praise—many people are still unable—or unwilling—to "play the game".
然而，尽管参与办公室政治会带来明显的回报——更好的工作、加薪、表扬——但许多人仍然无法——或不愿——“玩这场游戏”。
4·In 1890 he proposed that evolution was irreversible: that 'an organism is unable to return, even partially, to a previous stage already realised in the ranks of its ancestors'.
1890年，他提出进化是不可逆转的：“一个有机体无法回到其祖先先前到达的阶段，即使是部分逆转，也不可能。”
5·If the application cannot function at these low load levels, then it will certainly be unable to function at higher load levels.
如果应用程序无法在低负载级别正常运行，那么它肯定无法在更高负载级别正常运行。
1·She was unable to attend because of the pressures of work.
由于工作紧张她不能出席。
—— 《牛津词典》
2·They were unwilling, or unable, to guarantee safe passage from the city to the aircraft.
他们不愿，或不能批准从该市到机场的安全通道。
—— 《柯林斯英汉双解大词典》
3·Due to the large volume of letters he receives Dave regrets he is unable to answer queries personally.
由于收到的来信数量太多，戴夫很遗憾不能亲自回复各种询问。
—— 《柯林斯英汉双解大词典》
4·They've entered this new confederacy because the central government's been unable to control the collapsing economy.
他们已经参加了这个新同盟，因为中央政府已经不能控制摇摇欲坠的经济了。
—— 《柯林斯英汉双解大词典》
5·Why was Hawking unable to speak or breathe without the help of machines?
为什么没有机器的帮助，霍金就不能说话和呼吸？