(~s)
When you think something dangerous is about to happen, but then discover that you were mistaken, you can say that it was a ~.
...a bomb threat that turned out to be a ~.
N-COUNT
(~s)
When you think something dangerous is about to happen, but then discover that you were mistaken, you can say that it was a ~.
...a bomb threat that turned out to be a ~.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012