Scientists have been puzzling over how to transform surfaces for centuries.

几百年来，科学家们一直苦思改变表面性质的方法。

Scarlett thought hard but Thermopylae meant nothing to her.

温泉关吧！" 思嘉苦思了半天也没弄懂" 温泉关" 是什么意思。

The smuggler had been thinking desperately.

走私犯苦思。

Long pause, the two men thinking hard.

长时间的停顿， 两人苦思。

I thought hard but I couldn't remember for sure.

我苦思， 但我不起来。

Byron always got like that when he couldn't crack a hustle.

拜伦苦思时也这样。

Dickon was thinking very hard as he scratched Captain's back.

迪肯一边挠着船长的背，一边苦思。

After that he did some hard thinking.

之后做了一些苦思。

Most of the stuff that you agonize thinking about, they pay no attention to.

大多数你苦思的事情，们都不会注意。

The merchant thought long and hard about how to get more customers to his store.

商家苦思何让更多顾客光顾的店。

As he puzzled over these thoughts, Whitestorm and Darkstripe pushed their way into the den.

正当苦思这些法时，白风和黑条闯进了巢穴。

He thought so hard his cheek muscles made little knots under his grayish skin.

苦思， 脸颊上的肌肉在灰白的皮肤下起了一个个小疙瘩。

As he sat one night, before tumbling into his trundle bed, meditating on the hardness of the times, a bright idea struck him.

有一天晚上，在睡觉前苦思，终于出一个好主意。

Fishlegs hurried after Hiccup, who was now looking at the cavern's exit hole to the sea, thinking hard.

小鱼腿急忙追赶卡嗝，后者正看着洞穴通向大海的出口，苦思。

It's basically to look confused... here in Britain, this tends to be by frowning or squinting your eyes to show that you're thinking very hard.

看起来很困惑..在英国，往往是用皱眉头或眯着眼睛的方式来表明你在苦思。

He stood quietly before the Queen and his brow was wrinkled in deep thought as he strove to find some means to escape.

静静的站在女王面前，皱着眉头苦思，着逃走的办法。

From the usurping king's blazing contemplation of heaven and hell, to the prince's own cackling meditation on mortality, Shakespeare uses melancholic monologues to breathtaking effect.

从由的叔叔篡夺王位而引起对天堂、地狱充满愤怒的沉思，到王子自己对死亡的苦思，莎士比亚使用忧郁的独白来达到令人惊叹的效果。

Thus the question of getting into — or getting out of — society which troubled young foreigners greatly, settled itself after three or four years of painful speculation.

至此，困扰外国青年的进出社会问题， 经过三四年的苦思， 尘埃落定。

He purchased the manuscript from the cash-strapped priest at the college, and eventually brought it to the U.S., where experts have continued to puzzle over it for more than a century.

从学院里囊中羞涩的牧师那里购买了这份手稿，并最终将它带到了美国，一个多世纪以来， 专家们一直在为它苦思。

The invariable moisture of my hair, while plunged in deep thought, after six cups of hot tea in my thin shingled attic, of an August noon; this seems an additional argument for the above supposition.

在八月正午，在我那有着薄薄的木瓦屋顶的阁楼里，喝过六杯热茶之后，当我陷入了苦思，我的头发总是湿漉漉的，这似乎为上述推断增添了又一个论据。