in unison一致地,异口同声地

例句：The bank have act in unison with the building society in lowering interest rate.
      银行降低了利率来配合房屋建筑协会的行动。

2.They knocked out the power for tens of thousands of homes and businesses.

knock out使不能使用; 毁坏

例句：The telephone communications were knocked out by the storm.
      风暴使电话通讯中断了。

3.Today we'll have to watch out for more.

watch out for当心; 注意

例句：Watch out for that man.
      要提防那个人。

      Watch out for cars when you cross the road.
      过马路时当心车辆。
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