41 半夜吃黃瓜 半夜吃黃瓜 ─ 不 知頭尾。 不知頭尾 夜裡看不見, 夜裡看不見 吃黃瓜分 不 出哪是頭、哪是尾。 吃黃瓜分不出哪是頭 哪是尾 比喻 不 知事情的始末或內情。 比喻不知事情的始末或內情 Eating cucumbers at midnight ─ unable to tell head from tail. This refers to being muddled or completely in the dark about something. 52