On second thought
Example: On second thought, I will stay home instead of going out.
Definition
"On second thought" is an expression used when someone changes their mind or reconsider a decision after initially making it. It indicates a moment of reflection that leads to a different conclusion or choice than the one originally made.
Etymology
The phrase "on second thought" comes from the idea of taking a second moment to think about something after the first impression or decision. It reflects the human tendency to reconsider or revise opinions upon further reflection. The exact origin is unclear, but it has been used in English for centuries to express reconsideration.
Learn to use this expression actively
"On second thought" appears in the Vocaplus list "English - General - Idioms and Proverbs - (B1) - set 1", containing 123 commonly used expressions.
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