HSK 2
Ānxīn xuéxí, bié xiǎng nàme duō.
Focus on your studies and don't overthink things.
HSK 3
Zhīdào nǐ ānquán dàodá, wǒ jiù ānxīn le.
Knowing you arrived safely, I can rest easy.
HSK 3
Tā zhōngyú kěyǐ ānxīn shuìjiào le.
She can finally sleep peacefully.