Snail's pace
形容进展极其缓慢，像蜗牛爬行一样，常用于抱怨效率低下。
描述工作或进程缓慢。
英文释义
To move extremely slow
例句
The construction work is moving at a snail's pace due to bad weather.
典故来源
源自蜗牛行动缓慢的自然现象，早在古罗马时期就被用来比喻缓慢。