do a double takeSURPRISEDto look at someone or something again because you are very surprised by what you saw or heard 猛吃一惊后定神再看do a double take• Colleagues and friends often walked past me in the hallway, then stopped and did a double take.• He had to do a double take, bumping into a filing cabinet.• When he got to Mrs Luegerhe had never known her first name-he did a double take.
→ do a double take at double take(1)