1. But of accumulated knowledge applied to practical life.
    而是积累起来的知识应用到实际生活中的结果。

2. But on the second, I applied myself assiduously to the task.
    不过，新年第二天，我全力以赴地照着去做了。

3. I applied myself assiduously to the task.
    我刻苦地致力于这项任务了。

4. I say judgment. Knowledge, no matter how broad, is useless until it is applied.
    我说是判断力。不管知识面有多宽，如果得不到应用，那就毫无用处。