1. They were peered at cautiously from behind curtains by the timid.
    小镇的人胆小的就躲在窗帘后小心翼翼地偷看他们，

2. — Chaplin, then 54, had cautiously waited outside.
    ——当时已经54岁的卓别林一直小心翼翼地在外面等候着。

3. Climbing in cautiously at the window, he found himself standing face to face with his aunt.
    他小心翼翼地从窗户爬进了家，脚刚落地，就看见姨妈站在他面前。