蜀犬吠日的英文：
[Literal Meaning]
Sichuan/dog/bark/the sun
In Sichuan dogs bark at the sun.

[解释]
四川经常下雨，所以太阳出来狗就会惊奇地朝太阳叫。形容对新奇的事物感到异常惊讶。

[Explanation]
An ignorant person makes a fuss about something which he alone finds strange.

[例子]
伙计们，我们别再蜀犬吠日了，这只是个普通的望远镜，没有什么特别的。

[Example]
Fellas, we should not milk the ram any more. This is only an ordinary telescope and there is nothing special.

[英文等价词]
a tempest in a teapot
bark at the moon
milk the ram
skin a razor
sweep back the ocean