out of your depth

意味

without enough knowledge or skill to deal with something

知識や能力が足りず対処できない.

例文

1. 1On my first day in the advanced class, I felt completely out of my depth.
2. 2Leo was out of his depth when his boss asked him to run the whole project alone.
3. 3Maria had never cooked for more than four people, so she was out of her depth at the wedding dinner.
4. 4Are you sure you won't be out of your depth, teaching physics with an arts degree?
5. 5The questions in the final round were so hard that even our best player was out of his depth.

文法

通常 be か feel の後に置く。your は主語に合わせて変わる（my、her、their）。

似た意味の表現