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1.threaten v. 扬言要；威胁；恐吓
例句：He tied her up and threatened her with a six-inch knife.
他把她捆起来，拿着一把6英寸长的刀子威胁她。
2.shut down （使）（工厂、公司等）关闭，歇业，停业
例句：The pit is being shut down because it no longer has enough coal that can be mined economically.
这座煤矿即将关闭，因为从经济上考虑，矿井里已经没有足够的煤可供开采。
