bad ·adjective (PAINFUL)

Definition: If you have a bad arm, leg, heart, etc., there is something wrong with it and it is painful. Level: C1

她的膝盖疼。

She has a ___bad knee.

搬重箱子让他的背部疼痛。

Carrying heavy boxes gave him a ___bad back.

事故后，他的心脏出了问题，很疼痛。

After the accident, he suffered from a ___bad heart.