In this sentence

①sth exhausts sbv.使筋疲力尽；使精疲力竭

Synonymsdrain, fatigue, wear out

原句中用的是动词第三人称单数形式 exhausts，句型为 'sth exhausts sb'，意为无意义的工作让我们筋疲力竭。学习者选取的词形 exhausted 为其过去分词/形容词形式，在此溯源讲解其核心动词用法。

• It is not work that kills men; it is worry. Worry exhausts the strength and the vitality of the mind.累死人的不是工作，而是担忧。担忧会耗尽心灵的力量与生机。— Henry Ward Beecher

②sb be exhausted (from/by sth)adj.精疲力竭的；筋疲力尽的

Synonymsdrained, worn out, fatigued

• Never give up when you are exhausted; rest instead, so you can rise stronger.疲惫不堪时切勿轻言放弃；稍作歇息，你才能更坚强地重新站起。

③sth is exhaustedadj.耗尽的；枯竭的

Synonymsdepleted, consumed, spent

• When all other possibilities are exhausted, the truth remains waiting to be found.当所有其他可能性都已穷尽，真相依然在那里等待被发现。

In this sentence

①sth is exhaustingadj.令人精疲力竭的；极其疲惫的

Synonymstiring, draining, wearisome, grueling

原句中使用了动词形式 exhausts（使……精疲力竭），形容词 exhausting 则直接描述导致人身心俱疲的事物（如 meaningless work），是该词最核心的用法。

• Holding onto anger is exhausting; forgiveness is the only path that sets both the mind and the heart free.紧抓愤怒不放令人精疲力竭；唯有宽恕，才能让心灵与神思重获自由。

②find sth exhaustingadj.觉得某事令人筋疲力尽

Synonymsfind sth tiring, find sth draining

• Those who find authenticity exhausting are often trapped in the heavy armor of pretending to be someone they are not.那些觉得做真实的自己令人筋疲力竭的人，往往是被困在了伪装自己的沉重铠甲之中。

In this sentence

①an exhaustive sthadj.详尽的；全面的

Synonymscomprehensive, thorough, all-inclusive

原句中出现的词是动词原形 exhaust（使筋疲力尽），而用户选择学习的是其同根形容词 exhaustive。该词主要表示对某事物进行彻底、全面、不遗漏的调查、研究或罗列。

• True wisdom does not demand an exhaustive knowledge of the world, but a profound understanding of oneself.真正的智慧并不要求对世界有穷尽的认知，而是对自己有深刻的理解。

In this sentence

①sth exhausts sbv.使筋疲力尽；使精疲力竭

Synonymsdrains, fatigues, depletes, tires out

句中为强调句结构（It is not A that... but B），work 作为单数主语，谓语动词 exhaust 采用第三人称单数形式 exhausts，表示“某事物使人极度疲惫”。

• Ambition is a lust that is never quenched, but grows more inflamed and madder by enjoyment, and exhausts itself.野心是一种永远无法平息的欲望，它在满足中愈发狂热疯狂，直至将自身消耗殆尽。— Thomas Otway

②exhaust sthv.耗尽；用完

Synonymsdepletes, consumes, uses up

• Every great mistake has a halfway moment, a split second when it can be recalled and perhaps remedied, before it exhausts its consequence.每一个重大的错误在酿成所有恶果之前，都有一个转折点，那是可以挽回甚至弥补的转瞬之间。— Pearl S. Buck

③car/vehicle exhaustsn.废气；排气管

Synonymsemissions, fumes

• A city choked with vehicle exhausts steals the very breath of tomorrow's children.被车辆废气窒息的城市，正在夺走属于明日孩童的呼吸。