1. 保持安静：51、Hands Off 请勿用手摸 | 52、Keep Silence 保持安静 | 53、On Sale 削价出售

2. 保持沉默,不讲话：keep pace with 与...齐步前进 | keep silence 保持沉默,不讲话 | keep sth. secret 把某事保守秘密

3. 保持沉默(安静)：keep out 遮挡,使不入内 | keep silence 保持沉默(安静) | keep sb?from doing sth阻止某人做某事

4. 保持安静;保持沉默：keep sb. doing sth. 使.......坚持做 | keep silence保持安静;保持沉默 | keep sth. to oneself把......据为己有