cause to work hard

However, listening to loud noise for a long time can make these cells work too hard and cause some of them to die.

然而，长时间听巨大的噪音会使这些细胞过度工作，从而导致一些细胞死亡。

If the numbers are small, but wa (waiting on I/O) is high (usually > then 30), this means there might be I/O problems on the system, which can cause the CPU not to work as hard as it could.

如果这些数字很小，但 wa（等待 I/O）很高（通常大于 30），这意味着系统上存在 I/O 问题，从而导致 CPU 不能到达其最佳工作状态。

Such records, however, have been kept only since Europeans arrived, so it has been hard to work out how active the faults that cause them are.

但是欧洲人来美洲之前这些记录并没有保存，因此要了解引起地震的断裂带的活跃程度一直非常困难。