An expression used when one is strongly convinced of a certain outcome or truth, often leading to a sense of surprise or realization when that belief turns out to be incorrect.

A term indicating a high level of certainty about a situation, especially used in contexts where expectations are subverted or when one reflects on a misunderstanding.

A way to convey that an assumption was made with confidence, despite the reality being different, often highlighting a previous expectation or misjudgment.