1.keep silent 缄默

例句：If I keep silent then the next day it will be my child.

如果我保持沉默，下一天受害的将是我的孩子Aq*.a6TOPI。

2.in the past 过去

例句：That is how we have succeeded in the past.

我们过去的成功也是这样取得的uo2bLF2VO^ov3wNij。

3.keeps quiet 保持安静

例句：Please keep quiet! I've something important to tell you.

请保持安静！我有要事告诉你Dnw%aw-g6J&Nig_ksEZt。

4.exceed expectation 超出预期

例句：Provide value-added services to exceed expectation and satisfaction.

提供超过期望和满意的服务tfEYh[sAan+x。