精卫填海的英文：
[Literal Meaning]
Jingwei, the mythical bird/fill up/sea
Jingwei trying to fill up the sea with pebbles

[解释]
形容意志坚决，不怕困难。

[Explanation]
One who is determined to attain his end in spite of tremendous difficulties.

[例子]
工程的总指挥对工人们说：“我们应该有精卫填海的精神，在年底之前把通往重庆的铁路修好。”

[Example]
The general director of the project said to his workers,