形容詞 at sea:

1. perplexed by many conflicting situations or statements; filled with bewilderment
   同義詞：baffled, befuddled, bemused, bewildered, confounded, confused, lost, mazed, mixed-up

1. She tried to understand the instructions, but she was completely at sea.
   她費盡力氣想看懂那些說明文字，卻全然不知所云。
2. The guide was ready enough with his usual pattern on the history of the place, but as soon as you began to question him on anything outside that, he was all at sea.
   向導把該地歷史的老一套講得滾瓜爛熟，但當你一問起別的東西時，他就瞠目結舌，無言以對了。
3. I'm all at sea.
   我一點主意也沒有。
4. The ship has spent three months at sea.
   輪船已在海上度過了三個月。
5. This painting is a representation of a storm at sea.
   這幅畫表現的是海上風暴。
6. After three days at sea we sighted the land.
   在海上航行了三天，我們終于看見了大陸。
7. The refugees were at sea for forty days before reaching land.
   這些難民在海上漂泊了40天后，他們的船才靠岸。
8. He felt completely at sea in his new school.
   他在新學校中感到茫然不知所措。