HSK 2
Zhège chēzuò zuò qǐlái hěn shūfu.
This seat is very comfortable to sit on.
HSK 3
Wǒ de zìxíngchē chēzuò tài dī le, xūyào tiáo gāo yīdiǎn.
My bicycle seat is too low; it needs to be raised a little.
HSK 5
Tā zài qíchē shí bǎ chēzuò tiáo dào le héshì de gāodù.
She adjusted the saddle to the right height when cycling.
