whodunit n.偵探小說，驚險刺激讀物
detective story。
舉例：
The kind of whodunit Agatha Christie wrote is certainly old-fashioned. 阿加莎·克裏斯蒂所著的偵探小說當然可謂風格陳舊。
He has a weakness for detective stories. 他特別愛讀偵探小說。
On board the ship I fleeted time by reading detective stories. 在船上我讀偵探小說，借以消磨時間。
2、驚魂
shock
舉例：
Kay was still shocked, still horrified. 愷仍然驚魂來定，仍然驚恐萬狀。