Using idioms is an interesting part of using a language because idioms are generated from culture and history of the nation. For those who use English as a second language, idioms are hard because they never follow logic of grammar or vocabulary, and learners have no way except learning them by heart.
However, to master English on the whole, especially to beat an IELTS test, idioms are things you have to know about, and use fluently in your speaking part to boost the score.
The more you learn about English and its culture, the more idioms will you explore. To give you a helping hand for the beginning, here are some common but effective idioms people often use in IELTS speaking test.
Once in a blue moon: The usual color of a moon is light yellow, but sometimes, for some unknown reasons and on some very rare occasions, moon can become blue. Thus, this idioms means that very rare or extraordinary.
Example: I love doing the gardening. If I forget watering my flowers, it is once in a blue moon.
Over the moon: in human culture, moon is of favorable things. That’s why this idiom means being significantly happy or pleased. You can use this idioms when talking about some of your happy experiences or about things you love.
Examples: I felt over the moon at the moment that I finally managed to pass my driving test.
A drop in the ocean: It is a common knowledge that every oceans has many drops. This idiom is quite easy to understand. It means that very small and hard to notice.
Example: Though trying hard, all my efforts to comfort her are just a drop in the ocean.
Rain cats and dogs: For you to talk about your memorable experience, using this idioms can give the listener a strong and impressive feelings about a heavy rain.
Example: On the day I have to take that important exam, it was raining cats and dogs.
Give a second thought on Sth: It means that you will think about it more or consider carefully about it.
You can use this idioms when talking about important decisions in your life.
Example: When it turned out to be that my father has cancer, I had to give a second thought on learning abroad.
A piece of cake: This idiom means very easy, and there is no need to put any effort to do.
Example: Finding restaurant seems hard to many people, but for me, it just like a piece of cake.