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English Idioms for Competitive Exams: How to Learn Them So They Stick

A practical way to learn English idioms for PPSC, FPSC and NTS tests: grouping by theme, learning through sentences, and avoiding literal-meaning traps.

By the World MCQ Forum Editorial Team · 27 October 2026 · 2 min read

Idioms are phrases whose meaning cannot be worked out from the individual words. “Under the weather” has nothing to do with weather, and “a piece of cake” has nothing to do with food. That is exactly why they appear in tests: they check whether you know real English usage, not just vocabulary.

The good news is that a fairly small set of idioms appears again and again. Learn them the right way and they become quick marks.

Why lists alone don’t work

Most candidates memorize long lists of idioms and meanings. The problem is that the meanings blur together: “spill the beans” and “let the cat out of the bag” both mean revealing a secret, and “beat about the bush” and “hit the nail on the head” are near opposites. Without context, it is easy to mix them up.

Method 1: Group idioms by meaning

Learning idioms in themed groups makes them easier to remember and easier to tell apart.

Easy or simple

  • a piece of cake: very easy

Secrets

  • spill the beans: reveal a secret
  • let the cat out of the bag: reveal a secret, often by accident

Time

  • at the eleventh hour: at the last possible moment
  • once in a blue moon: very rarely
  • call it a day: stop working for now

Trouble and difficulty

  • in hot water: in trouble
  • bite the bullet: face something unpleasant bravely
  • face the music: accept the consequences of your actions

Speaking

  • beat about the bush: avoid the main point
  • hit the nail on the head: say exactly the right thing
  • hold one’s tongue: stay silent

Feelings and relationships

  • the apple of one’s eye: someone very dear
  • through thick and thin: in good times and bad
  • turn a blind eye: deliberately ignore something

Method 2: Learn each idiom in a sentence

An idiom learned in a sentence is far easier to recall than an idiom learned alone. Write one sentence of your own for each:

  • She submitted the form at the eleventh hour, just before the deadline.
  • My cousin from abroad visits once in a blue moon.

Personal, specific sentences are the most memorable.

Method 3: Connect to Urdu equivalents

Many English idioms have close Urdu equivalents, and linking the two can make both stick. For example, the apple of one’s eye is close in meaning to آنکھ کا تارا. Our Urdu proverbs and idioms set is useful for building these links.

Avoid the literal trap

In exams, distractor options often offer the literal meaning. For “under the weather”, an option like “caught in the rain” is a trap. When in doubt, ask yourself whether the literal meaning would make sense in a normal conversation. Usually it would not.

A weekly routine

  • Daily: learn five idioms, each with your own sentence.
  • Every three days: cover the meanings and test yourself.
  • Weekly: a timed quiz mixing old and new idioms.

Start with our Idioms and Phrases MCQs. Every answer includes an example sentence.

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