你也太厉害了吧，一个人做完了所有的工作。

nǐ yě tài lìhài le ba, yí gè rén zuò wán le suǒyǒu de gōngzuò.

You're way too impressive — you finished all the work by yourself.

今天的太阳太厉害了，出门记得涂防晒霜。

jīntiān de tàiyáng tài lìhài le, chūmén jìde tú fángshàishuāng.

The sun is too intense today; remember to put on sunscreen before going out.

听说那个新来的老师很厉害，学生都怕她。

tīngshuō nàge xīn lái de lǎoshī hěn lìhài, xuéshēng dōu pà tā.

I heard the new teacher is very strict; all the students are afraid of her.