①although + clause, clauseconj.虽然；尽管

Synonymsthough, even though, while

• Although the world is full of suffering, it is also full of the overcoming of it.虽然世界充满了苦难，但也充满了战胜苦难的勇气与力量。— Helen Keller

②clause, although + adj. / participle / prep. phraseconj.虽说；尽管（引导省略结构，表让步或补充修饰）

Synonymsalbeit, though

• Truth may walk slowly, although never tired.真理或许步履缓慢，却不知疲倦。

①ought to do sthv.应该做某事（表示责任、义务或建议）

Synonymsshould, need to

• We ought to do good to others as simply as a horse runs, or a bee makes honey.我们理应善待他人，就像奔马奔驰、蜜蜂酿蜜一样自然纯粹。— Marcus Aurelius

②sth ought to do / be sthv.理应；照理应该（表示推测或预期）

Synonymsshould, be expected to

• Everything that is ought to be.存在的一切，皆有其存在的道理。— Alexander Pope

③ought to have done sthv.本应该做某事（实际并未做）

Synonymsshould have done

• I ought to have known that in the hour of trial, they would fail me.我本该料到，在考验降临的那一刻，他们会令我失望。— Alexander Hamilton

①though + clauseconj.虽然；尽管

Synonymsalthough, even though, while

• Though no one can go back and make a brand new start, anyone can start from now and make a brand new ending.虽然没人能回到过去重新开始，但任何人都可以从现在开始，书写一个崭新的结局。— Carl Bard

②clause, thoughadv.不过；可是（用于句末表转折）

Synonymshowever, nevertheless, yet

• Wisdom often arrives late; it is always welcome, though.智慧常常迟来；不过，它总是受欢迎的。

③as though + clauseconj.好像；仿佛

Synonymsas if

• Live as though you were to die tomorrow. Learn as though you were to live forever.如同明日将逝般生活，宛如永生不灭般求知。— Mahatma Gandhi

In this sentence

①be through (with sth / sb)adj.结束的；断绝关系的；受够了的

Synonymsfinished, done

句中与 I'm done 并列使用，be through 表示事情做完了，或者对某种糟糕的处境/关系彻底受够了、决定到此为止。

• When you're through changing, you're through.当你停止改变时，你的生命也就停滞了。— Bruce Barton

②go / walk through sthprep.穿过；通过（空间或障碍）

Synonymsacross, past

• The only way out is through.唯一的出路就是穿过它。— Robert Frost

③through sthprep.凭借；通过（手段或途径）

Synonymsby means of, via

• Peace cannot be kept by force; it can only be achieved through understanding.和平无法凭借武力维系，只能通过理解达成。— Albert Einstein

④go through sthprep.经历（困难、危机等）

Synonymsexperience, endure, undergo

• If you're going through hell, keep going.如果你正在经历地狱般的磨难，请继续走下去。— Winston Churchill

In this sentence

①throughout sth (time)prep.自始至终；贯穿整个时期

Synonymsduring, all through

原句中的词实为 through（意为“结束”），用户查询的 throughout 是其派生词。throughout 最核心的用法之一是表示时间上的“贯穿、从头到尾”。

• True love endures throughout life, transcending both youth and age.真爱贯穿一生，超越青春与迟暮。

②throughout sth (place)prep.遍及；到处

Synonymsacross, all over

• There is a divine presence throughout nature, waiting to be felt by a quiet mind.整个自然界都蕴含着神圣的存在，等待着平静的心灵去感知。

③throughoutadv.始终；到处

Synonymseverywhere, all the time

• A wise person acts with integrity throughout, regardless of changing circumstances.智者始终行事正直，无论顺逆。

①sth is tough (to do)adj.困难的；棘手的

Synonymsdifficult, hard, challenging

• When the going gets tough, the tough get going.逆境现英豪；困难之时，坚强者奋起。— Billy Ocean

②sb is toughadj.坚强的；能吃苦耐劳的

Synonymsresilient, strong, hardy

• Life is tough, my darling, but so are you.亲爱的，生活不易，但你同样坚强。— Stephanie Bennett-Henry

③be tough on sb / sthadj.对……严厉；对……苛刻

Synonymsstrict, harsh, severe

• Be tough on the problem, but be gentle with the people.对事要严厉，对人要宽厚。

④tough sthadj.（肉等）老的；坚韧的

Synonymschewy, leathery, durable

• Even the toughest meat softens when placed in a pot of patience.哪怕是最老的肉，耐心的慢火也能让它变得酥软。