Idioms are phrases that have a figurative meaning that cannot be understood simply by looking at the individual words in the phrase. Idioms are often used in informal speech and writing, and they can add color and interest to your language.

Here are 7 English idioms you need to know for fluent conversation:

  1. "Break a leg". Good luck wishes are expressed using this idiom, especially before a performance. Literally, it means to break a leg, which is a very awful thing to do. The term is nonetheless humorously employed to convey your confidence in the subject's success.
  2. "Pull someone's leg". To tease or joke with someone is what this idiom signifies. The precise meaning would be to physically pull someone's leg. The idiom is, nevertheless, often used figuratively to convey a lack of seriousness.
  3. "See eye to eye". This idiom means to agree with someone. The literal meaning is to have aligned eyes, which is a very uncommon phenomenon. However, the idiom is used figuratively to convey that you share another person's viewpoint.
  4. "Once in a blue moon". This idiom means something that happens very rarely. The literal interpretation is that something occurs once in a blue moon, or around every 2.7 years. The idiom is, however, figuratively used to convey how rarely something occurs.
  5. "When pigs fly". This idiom means something that will never happen. Pigs flying is the literal meaning, which is plainly not feasible. The idiom is, nevertheless, figuratively used to indicate that something is extremely unlikely to occur.
  6. "To cost an arm and a leg". This idiom means something is very expensive. The literal translation is "cost an arm and a leg," which denotes an extremely high cost. However, the expression is figuratively used to convey how pricey something is.
  7. "A piece of cake". This idiom means something is very easy. The literal translation is "as simple as eating a piece of cake," which is, of course, a pretty simple undertaking. However, the idiom is used figuratively to convey how simple something is.

These are just a few examples of English idioms that you need to know for fluent conversation. There are many other idioms, so it is important to keep learning and practicing.