I have no idea what they're going to say, so I'll have to play it by ear.
我一点不知道他们将会说些什么,所以我只好见机行事。
Meanwhile, a microphone, which was lowered into the mine two hours ago, has enabled the men to keep in touch with their closest relatives.
与此同时,两个小时以前放下井去的一只麦克风使井下的人可以与其亲属保持联系。