4 sentences

1. 他点亮了灯，却无法集中精力阅读。

   tā diǎn​liàng le dēng, què wú​fǎ jí​zhōng jīng​lì yuè​dú.

   He lit the lamp, but could not concentrate on reading.

   Source: CCMatrix

2. 他注意到一个孩子的蜡烛没有点亮。

   tā zhù​yì dào yī​ge hái​zi de là​zhú méi​yǒu diǎn​liàng.

   He noticed that one child's candle was not lighted.

   Source: CCMatrix

3. 当他莞尔一笑，整个世界似乎都被点亮。

   dāng tā wǎn'ěr​yī​xiào, zhěng​gè shì​jiè sì​hū dōu bèi diǎn​liàng.

   When he smiled, the whole world seemed to light up.

   Source: CCMatrix

4. 这些按钮在手机正在使用时点亮，否则不可见。

   zhè​xiē àn​niǔ zài shǒu​jī zhèng​zài shǐ​yòng shí diǎn​liàng, fǒu​zé bù kě​jiàn.

   These buttons light up when the phone is in use and are otherwise invisible.

   Source: CCMatrix