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Tactically speaking , mr obama may have overdone it .

从战术上讲，奥巴马可能做得有点过。

We voted tactically in the last three elections .

我们在上三次选举中策略性地投了票。

If you exaggerate , you will sound fan tactically american .

如果你发音夸张，听起来会特别有美国味。

Be professionally and tactically competent .

专业和战术上胜任。

But this simple change is tactically smart .

但是，这一简单的转变在战术上很高明。