Traveling by subway can sometimes be a challenge, especially during rush hour.

乘地铁有时会是一种挑战，尤其是在高峰时间。

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The belt way is very dangerous to drive on, especially during the rush hour.

在环绕华盛顿地区的这条高速公路上开车是非常危险的，特别是上下班交通最忙的时候。

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The beltway is very dangerous to drive on, especially during the rush hour.

在这条窄路上开车很危险。特别是拥堵的时候。

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Its loss created huge traffic problems yesterday, especially during the evening rush hour.

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