put two and two together
成語所屬單字two
put two and two together — 慣用語
1. To guess the truth by considering what you see or hear.
1.慣用語
釋義
根據所見所聞推斷
To guess the truth by considering what you see or hear.
例句
When I saw them together, I put two and two together.
He put two and two together and realized they were planning a surprise.