impromptu 六级雅思托福GREGMAT专八

1.I’m sure his remarks were rehearsed, not impromptu.

我肯定他的话是预先想好的, 不是即席讲的。

2.I quite by chance got drawn into a kind of impromptu party downstairs.

我碰巧被拉去参加楼下那种时组织起来的舞会。