Concept:
An idiom is a group of words whose figurative meaning is different from the literal meanings of the individual words.
The idiom “a fish out of water” is used to describe a person who feels uncomfortable, awkward, misplaced, or unable to adjust to a particular situation or environment.
• Target Idiom: a fish out of water
• Key Idea: Feeling uncomfortable because one does not fit naturally into a situation.
• Context: The speaker's increment was cut, creating an unpleasant atmosphere in the workplace and making the speaker feel uneasy.
Step 1: Understanding the literal image behind the idiom.
A fish naturally lives in water. Water is its proper environment where it can move freely and survive comfortably.
If a fish is taken out of water, it struggles, feels uncomfortable, and cannot function normally.
This physical situation forms the basis of the idiom.
Therefore, figuratively, the expression refers to a person who feels uncomfortable or out of place in a particular environment.
Step 2: Analyzing each option carefully.
• felt outdated
This means feeling old-fashioned or no longer relevant.
The idiom does not specifically convey this meaning.
Hence, it is incorrect.
• felt happy
The idiom carries a negative sense of discomfort and awkwardness.
Therefore, this option is incorrect.
• felt quite uncomfortable
This directly matches the meaning of the idiom.
A person who is a fish out of water feels uneasy, awkward, and uncomfortable.
Hence, this is the correct answer.
• felt sad
Although sadness may accompany discomfort, the idiom specifically emphasizes feeling out of place rather than merely sad.
Hence, this option is not the best choice.
Step 3: Final conclusion.
The expression highlights discomfort and inability to adjust comfortably to a situation.
Therefore,
\[
\boxed{\text{felt quite uncomfortable}}
\]
is the correct answer.