9 sentences

1. 我们要珍惜每一寸光阴。

   wǒ​men yào zhēn​xī měi yī cùn guāng​yīn.

   We should cherish every moment of our time.

   Source: Dong Chinese Dictionary

2. 光阴似箭，我们要珍惜时间。

   guāng​yīn sì jiàn, wǒ​men yào zhēn​xī shí​jiān.

   Time flies like an arrow; we must cherish our time.

   Source: Dong Chinese Dictionary

3. 虚度光阴是人生最大的悲哀。

   xū​dù guāng​yīn shì rén​shēng zuì dà de bēi'āi.

   Wasting time is the greatest sorrow of life.

   Source: Dong Chinese Dictionary

4. 人生苦短，我们不该虚度光阴。

   rén​shēng kǔ duǎn, wǒ​men bù gāi xū dù guāng​yīn.

   Life is short; we shouldn't idle away our time.

   Source: Dong Chinese Dictionary

5. 不要虚度光阴。

   bù yào xū​dù guāng​yīn.

   Don't idle your time away.

   Source: Dong Chinese Dictionary

6. 我已经白白浪费了一年光阴。

   wǒ yǐ​jīng bái​bái làng​fèi le yī nián guāng​yīn.

   I've wasted a year of my life.

   Source: OpenSubtitles

7. 青春转瞬即逝，我们要珍惜光阴。

   qīng​chūn zhuǎn​shùn​jí​shì, wǒ​men yào zhēn​xī guāng​yīn.

   Youth is fleeting; we must cherish our time.

   Source: Dong Chinese Dictionary

8. 我很高兴，这15年的光阴没有浪费。

   wǒ hěn gāo​xìng, zhè15 nián de guāng​yīn méi​yǒu làng​fèi.

   I'm so glad those 15 years weren't wasted.

   Source: OpenSubtitles

9. 老师常用这个案例来警示学生不要虚度光阴。

   lǎo​shī cháng yòng zhè gè àn​lì lái jǐng​shì xué​sheng bù yào xū​dù guāng​yīn.

   The teacher often uses this example to warn students not to waste their time.

   Source: Dong Chinese Dictionary