all at sea
：bewildered;unable to understand
：茫然不知所措;迷惑
：originally a nautical expression to describe the condition of a ship out of
sight of land and having lost its bearings.
这个短语来源于对于航海的表达，描述一艘船看不到陆地失去方位的情况。
：The job was new to Charles, and for a few days he was all at sea.
这工作对查尔斯来说是个新工作，一连好几天他乱作一团。
What are you talking about? I am all at sea.
你们在说什么?我一点也听不懂。
all at sea,茫然不知所措。大家想到什么好句子可以用到这个短语的捏?
