n.睡前飲料；睡帽

The soldier followed the king's daughters to the parlor for a nightcap. 士兵跟著國王的女兒們來到客廳喝睡前酒。

We had a nightcap before bedtime to round off a perfect day. 我們戴上睡帽上床睡覺，一天的生活結(jié)束了。

A little old man with a nightcap on his head leaned out of the upstairs window. 一個頭戴睡帽的小老頭從樓上探出。