法官说警方对围攻安排不当。The judge said the police had mishandled the siege.他被告知房门安装不当。He was told that the doors had been fitted incorrectly.洗桑拿浴如果方法不当会有危险，浴前切忌饱食。Saunas can be hazardous if misused. Avoid a big meal beforehand....
煤矿中天然存有高爆气体。Highly explosive gas is naturally found in coal mines.许多人到煤矿来,是因为契约规定必须服务几年.Many people came to the coal mineindentured for several years.煤矿工人须在地下工作.Coal miners have to work under the ground....