Pachyderms
n. 大的厚皮动物（如象和犀牛）( pachyderm的复数形式 ); <喻>厚脸皮的人; 麻木不仁的人; 迟钝的人
🗣️ 情景例句
Don't worry about it. It's nothing.
别担心，没事儿。
The devil knows may things because he is old.
老马能识途。
So how can I help you ? asked the detective.
那么我怎样才能帮你呢？侦探问。