adj. unprepared ; extemporaneous ; flat-footed ; offhanded
总之，美国不会毫无准备的去参加气候变化会议的。
In short, America will now not have to go naked into the conference chamber.
由于全球商品价格崩溃，给毫无准备的克里姆林宫带来了严重的财政压力。
The crash in world commodity prices has created acute financial pressures for which the Kremlin had not prepared.
负疚感是一件很有趣的事情，它习惯于当你毫无准备的时候向你袭来。
Guilt is a funny thing. It has a habit of sneaking up on you when you least expect it.
应用推荐