寄居蟹，藤壶，蚬和螺有很硬的壳来保护自己。

The hermit crab, barnacle, clam and snail have hard shells to protect themselves.

youdao

我相信你二十年内就会升为魔法部长。也许只要十五年，如果你经常给我送菠萝蜜饯的话。我在部里有很硬的关系。

I confidently expect you to rise to Minister of Magic within twenty years. Fifteen, if you keep sending me pineapple, I have excellent contacts at the Ministry.

youdao

你有你的背景，我有我的故事，不是很硬，但你别碰。

You have your background, I have my story, it is not very hard, but you do not touch.

youdao