I'm not saying that I wasn't normal or anything, I just gave my family a hard time sometimes.

gave 是动词 give 的过去式，意思是"给予"。 a 是不定冠词，表示"一个"。 hard 是形容词，意思是"困难的、艰难的"。 time 是名词，意思是"时间、时期"。 give someone a hard time 是一个固定短语，意思是"给某人带来麻烦"或"让某人不好过"。