lead someone up the garden path
lead someone up the garden pathBRITISH or
lead someone down the garden pathAMERICAN
If someone leads you up the garden path, they deceive you by making you believe something which is not true. He led me up the garden path. He said the relationship with Penny was over but now he seems to be seeing her again. They led me down the garden path and made me believe there would be a job for me.