7 sentences

1. 他陷入了苦苦的冥思之中。

   tā xiàn​rù le kǔ​kǔ de míng sī zhī​zhōng.

   He fell into deep contemplation.

   Source: Dong Chinese Dictionary

2. 他苦苦哀求医生救救他的孩子。

   tā kǔ​kǔ āi​qiú yī​shēng jiù jiù tā de hái​zi.

   He begged the doctor to save his child.

   Source: Dong Chinese Dictionary

3. 他苦苦哀求老板再给他一次机会。

   tā kǔ​kǔ āi​qiú lǎo​bǎn zài gěi tā yī cì jī​huì.

   He begged the boss hard for another chance.

   Source: Dong Chinese Dictionary

4. 面对大家的苦苦哀求，他依然无动于衷。

   miàn​duì dà​jiā de kǔ​kǔ āi​qiú, tā yī​rán wú​dòng​yú​zhōng.

   In the face of everyone's desperate pleas, he remained unmoved.

   Source: Dong Chinese Dictionary

5. 他在病榻上苦苦挣揣，希望能早日康复。

   tā zài bìng​tà shàng kǔ​kǔ zhèng​chuài, xī​wàng néng zǎo​rì kāng​fù.

   He is struggling on his sickbed, hoping for a speedy recovery.

   Source: Dong Chinese Dictionary

6. 在漫长的岁月中，他苦苦思索着如何渡此余生。

   zài màn​cháng de suì​yuè zhōng, tā kǔ​kǔ sī​suǒ zhe rú​hé dù cǐ yú​shēng.

   During the long years, he pondered how to spend the rest of his life.

   Source: Dong Chinese Dictionary

7. 他在贫困中苦苦挣扎了多年，终于过上了好日子。

   tā zài pín​kùn zhōng kǔ​kǔ zhēng​zhá le duō​nián, zhōng​yú guò​shàng le hǎo rì​zi.

   After struggling in poverty for many years, he finally lived a good life.

   Source: Dong Chinese Dictionary