N a surly or bad-tempered person 脾气坏的人
V to complain or grumble 抱怨; 咕哝
Dad, please forgive me for my grumps earlier. I did that in a wrong way.
爸爸对不起，刚才我对你发脾气了，真的对不起，请你原谅我！
We tend to avoid grumps, and buffoons, though initially fun, grow old after a while.
我们倾向于避开发牢骚的人，和一开始滑稽但很快变老的小丑。
Marmots that are in the middle of things socially appear to thrive, but plentiful social interactions mean more bumps and grumps.
土拨鼠属于那种看起来十分兴旺繁荣的种群，但许多的社会互动更多的是意味着磕磕碰碰。
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