But after a year and half of trying, nothing.

但是经过一年半的尝试之后，张女士还是没有怀上孩子。

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She looks the worse for wear after half a year as monitor.

她担任班长不过半年，就显得疲惫不堪了。

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After half a year, they built another factory.

半年后，他们建了另一家工厂。

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After half a year, they built another factory.

半年后，他们建了另一家工厂。

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