But as the years went by, many became increasingly careful about their own activities.

但随着时间的流逝，许多人开始对自己的行为更加小心谨慎。

youdao

There were many, many, many years that went by when all I did was hack computers, and I didn't feel lonely, like I was missing anything.

好多好多年以来，我的生活就是与计算机打交道，从未感到过孤独，或缺少了什么东西。

youdao

As years went by with no sign of Laos's communists being dislodged from power, many Hmong exiles in America began to wonder just where their money was going.

ECONOMIST: America foils a coup plot against one of its former enemies