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suck someone inand take someone in
to deceive someone. I try to shop carefully so that no one can take me in. I think that someone sucked in both of them. I don't know why they bought this car.
suck something in
1. Lit. to draw something into one's mouth by sucking. She sucked the milk shake in so hard she nearly collapsed the straw. Liz sucked in the fresh air.
2. Fig. to draw in one's belly, gut, or stomach. Suck that belly in! Suck in that gut!
1. Also, suck into. Draw into a course of action, as in They sucked me into helping them raise money. [Second half of 1700s]
2. Take advantage of, cheat, swindle, as in That used-car salesman sure sucked in my uncle and aunt. This usage employs suck in the sense of "take in." [First half of 1800s]
1. To draw or pull something in by or as if by suction: The pump occasionally sucks in dirt. The filter sucks air in through a vent. I sucked in my stomach so I would look thinner.
2. To take advantage of someone; cheat or swindle someone: The greedy lawyer sucked us in with false promises. This scam sucks in many unsuspecting tourists.