4 sentences

1. 这些人物都是作者笔下的虚构形象。

   zhè​xiē rén​wù dōu shì zuò​zhě bǐ​xià de xū​gòu xíng​xiàng.

   These characters are all fictional figures from the author's pen.

   Source: Dong Chinese Dictionary

2. 基督山伯爵是法国作家大仲马笔下的人物。

   Jī​dū​shān bó​jué shì Fǎ​guó zuò​jiā Dà Zhòng​mǎ bǐ​xià de rén​wù.

   The Count of Monte Cristo is a character created by the French author Alexandre Dumas.

   Source: Dong Chinese Dictionary

3. 夏洛克是莎士比亚笔下著名的吝啬鬼形象。

   Xià​luò​kè shì Shā​shì​bǐ​yà bǐ​xià zhù​míng de lìn​sè​guǐ xíng​xiàng.

   Shylock is a famous miser character from Shakespeare's work.

   Source: Dong Chinese Dictionary

4. 他笔下功夫极深，文章的立意非常高远。

   tā bǐ​xià gōng​fu jí shēn, wén​zhāng de lì​yì fēi​cháng gāo​yuǎn.

   He has superb writing skills, and the themes of his articles are very profound.

   Source: Dong Chinese Dictionary