bleat
/bliːt/verb [vi. 不及物动词] （羊）咩咩叫，牛（哞哞叫）；低声说话；抱怨
If you say that someone bleats about something, you mean that they complain about it in a way which makes them sound weak and irritating. 抱怨; 诉苦
noun [具体名词] （羊的）咩咩声，（小牛的）哞声；（人）微弱的叫声；（非正式）抱怨
...the faint bleat of a distressed animal. ... 一个哀伤的动物发出的微弱呼叫声。
