“水滴石穿”，字面意思是水不断地滴，可以滴穿石头（constant dripping water wears through the rock），比喻坚持不懈，集细微的力量也能成就难能的功劳（persistence leads to success）。与英文习语“little strokes fell great oaks”意思相近，表示“large, seemingly impossible tasks can be accomplished through small, steady efforts”。

例句：

A：“这场诉讼太庞大了，我真不知道我们怎么才能渡过难关！”

A: "This lawsuit is so huge, I just don't see how we'll be able to get through it!"

B：“我们一天天一步步地慢慢来，竭尽所能，记住，水滴石穿。”

B: "We just take it one step and one day at a time, taking care of what we can, when we can—remember, little strokes fell great oaks."