The idiom, 'to be in the doldrums' means 'to be depressed, low spirited or sluggish'. The use of the idiom can be seen in the following sentence: Harry has been in the doldrums ever since he lost his job as a print journalist.

The correct answer is- a positive outlook on life. Let's look at the meaning of the given idiom: Rose-coloured glasses- the tendency to see things in a positive light.

The correct answer is Always thinking of only one thing. Let's look at the meaning of the given idiom: One-track mind: used in reference to a person whose thoughts are preoccupied with one subject or interest.

The correct answer is 'at a fast pace'. In the given sentence 'On the double' is an idiom. The meaning of it is as follows: On the double: very quickly and without any delay.

The correct answer is "beyond one's capability to understand something". Key Points. Given Idiom: Over one's head means too complicated to be understood by one. For example, My jokes always seem to go over one's head.

The given idiom is 'a fair-weather friend'. This idiom means - a person whose friendship cannot be relied on in times of difficulty. For example: Don't rely on her, she is a fair-weather friend.

The correct answer is "to be the person in charge". Key Points. Given Idiom: To call the shots means to be the person in charge, to have control over the progress of a situation. For example, With no boss to call the shots, he drew ideas from all over.

someone who is uncomfortable in a specific situation: I felt like a fish out of water at my new school.