The enemy attempted to win over uncle Chen, but it was in vain.
敌人企图把陈大叔拉过去，但是徒然无效。
The farmer out his claim to all the land before the prospectors came, but it was in vain.
这位农场主在探矿者到来之前立桩标明他对所有这些土地的所有权，但这是徒劳。
He tried it again a third time, a fourth time, he must have lifted his foot ten times, but it was in vain.
他又试了第三次，第四次，他一定不下十次地举起他的脚，但这一切都是徒劳。
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