屋顶板条一直没钉牢。The roof was never securely battened down.请把那块松动的地板钉牢好 吗 ?Will you nail down that loose board in the floor?检查一下是不是所有木板都钉牢了.Check that the boards are all securely fixed....
He replied with characteristic insouciance: "So what?"他以一贯的漫不经心回答道：“那又怎样？”She hid her worries behind an air of insouciance.她掩饰着自己的烦恼，表现得无忧无虑。He replied with characteristic insouciance: 'So what?'他以一贯的漫不经心回答道：“那...
Measures are taken to battle rising mandarin crime.已经采取了措施来打击官员中不断上升的犯罪行为.Mandarin Chinese has four tones.汉语有四声.I speak the Shanghai dialect and the Mandarin.我会讲上海话,普通话....