11 sentences

1. 待人要宽，责己要严。

   dài​rén yào kuān, zé jǐ yào yán.

   Be lenient toward others but strict with yourself.

   Source: Dong Chinese Dictionary

2. 这个案子必须依法严办。

   zhè gè àn​zi bì​xū yī​fǎ yán bàn.

   This case must be strictly handled according to the law.

   Source: Dong Chinese Dictionary

3. 这种古代的法律极其严酷。

   zhè zhǒng gǔ​dài de fǎ​lǜ jí​qí yán kù.

   These ancient laws were extremely harsh.

   Source: Dong Chinese Dictionary

4. 他的父亲对他的要求非常严。

   tā de fù​qīn duì tā de yāo​qiú fēi​cháng yán.

   His father is very strict with him.

   Source: Dong Chinese Dictionary

5. 这孩子管得不严，心都放野了。

   zhè hái​zi guǎn de bù yán, xīn dōu fàng yě le.

   This child hasn't been disciplined strictly, so he's become quite unruly.

   Source: Dong Chinese Dictionary

6. 他因为贪污受到了法律的严责。

   tā yīn​wèi tān​wū shòu​dào le fǎ​lǜ de yán zé.

   He was severely punished by law for embezzlement.

   Source: Dong Chinese Dictionary

7. 由于安检很严，请提前三小时到达机场。

   yóu​yú ān​jiǎn hěn yán, qǐng tí​qián sān xiǎo​shí dào​dá jī​chǎng.

   Due to strict security checks, please arrive at the airport three hours early.

   Source: Dong Chinese Dictionary

8. 规则虽然严，但在这件事上可以稍微通融一下。

   guī​zé suī​rán yán, dàn zài zhè jiàn shì shàng kě​yǐ shāo​wēi tōng​róng yī​xià.

   Although the rules are strict, we can make a slight exception in this case.

   Source: Dong Chinese Dictionary

9. 那位新来的老师姓严，大家平时都叫他严老师。

   nà wèi xīn lái de lǎo​shī xìng Yán, dà​jiā píng​shí dōu jiào tā Yán lǎo​shī.

   The new teacher's surname is Yan, and everyone usually calls him Mr. Yan.

   Source: Dong Chinese Dictionary

10. 家严正在书房看书。

    jiā yán zhèng​zài shū​fáng kàn shū.

    My father is reading in the study.

    Source: Dong Chinese Dictionary

11. 这扇窗户关得不严。

    zhè shàn chuāng​hu guān de bù yán.

    This window is not closed tightly.

    Source: Dong Chinese Dictionary