don't try to fool meA warning or admonition meaning not to deceive, trick, or con the speaker. The pronoun may change depending on context, so it can also mean “don't try to fool us.” มาหลอก literally means “come deceive,” emphasizing the act of attempting to deceive the speaker.
TH: อย่ามาหลอกฉันนะ ฉันรู้ความจริงแล้ว
EN: Don't try to fool me; I already know the truth.