例句:Would you call me as soon as you find out?
你一弄清楚了就给我打电话好吗？ 

2.customs clearance 清关

例句:Customs clearance shall be based on inspection of the original declaration made at the time of entry.
海关凭原入境申报单查验放行。

3.unforeseen circumstances 意外状况

例句:Unfortunately, due to unforeseen circumstances, this year's show has been cancelled
遗憾的是，由于一些意外情况，今年的演出被取消了。

4.truck breakdown 卡车故障

例句:The truck that had a breakdown was towed to the garage.
那辆故障的货车被拖到修车厂。