10 sentences

1. 这将是个难忘的夜晚。

   zhè jiāng shì gè nán​wàng de yè​wǎn.

   This will be a night to remember.

   Source: OpenSubtitles

2. 这是一次难忘的旅行。

   zhè shì yī cì nán​wàng de lǚ​xíng.

   This was an unforgettable trip.

   Source: Dong Chinese Dictionary

3. 这是一次难忘的经历。

   zhè shì yī cì nán​wàng de jīng​lì.

   It was an unforgettable experience.

   Source: Dong Chinese Dictionary

4. 这件事令我永生难忘。

   zhè jiàn shì lìng wǒ yǒng​shēng nán​wàng.

   I will never forget this for as long as I live.

   Source: Dong Chinese Dictionary

5. 鞠育之恩，终生难忘。

   jū yù zhī ēn, zhōng​shēng nán​wàng.

   I will never forget the kindness shown to me during my upbringing.

   Source: Dong Chinese Dictionary

6. 这是我一生中最难忘的时刻。

   zhè shì wǒ yī​shēng zhōng zuì nán​wàng de shí​kè.

   This is the most unforgettable moment of my life.

   Source: Dong Chinese Dictionary

7. 那是我学生时代最难忘的一件事。

   nà shì wǒ xué​sheng shí​dài zuì nán​wàng de yī jiàn shì.

   That was the most unforgettable thing from my student days.

   Source: Dong Chinese Dictionary

8. 我们将会一起度过难忘的几小时。

   wǒ​men jiāng​huì yī​qǐ dù​guò nán​wàng de jǐ xiǎo​shí.

   We'll spend a few unforgettable hours together.

   Source: OpenSubtitles

9. 这段刻骨铭心的爱情让他终生难忘。

   zhè duàn kè​gǔ​míng​xīn de ài​qíng ràng tā zhōng​shēng nán​wàng.

   This unforgettable love remains in his memory for a lifetime.

   Source: Dong Chinese Dictionary

10. 这位演员在荧幕上塑造了许多令观众难忘的经典形象。

    zhè wèi yǎn​yuán zài yíng​mù shàng sù​zào le xǔ​duō lìng guān​zhòng nán​wàng de jīng​diǎn xíng​xiàng.

    This actor has portrayed many unforgettable classic characters on the screen.

    Source: Dong Chinese Dictionary