英語翻譯：

dense; insensate; naughty; obstinate; stubborn; stupid

例句：

1. 那個頑固老頭就是不肯進醫(yī)院。
   The obstinate old man refused to go to hospital.
2. 他像猴子那麼頑皮！
   He's as mischievous as a monkey!
3. 他態(tài)度頑固而招致許多責難。
   He incurred much blame for his stubborn attitude.
4. 他的狗把那個頑皮的孩子從花園里嚇走了。
   His dog scared that naughty boy off the garden.
5. 他的狗把那個頑皮的孩子嚇走了。
   His dog scared that naughty boy away.
6. 你這頑皮孩子！我說過，叫你別在馬路上玩。
   You naughty boy! I've told you not to play in the street.