掺假
to mix in fake material; to adulterate
搀假
to dilute; to debase (by mixing with fake material)
缠夹
to annoy; to bother; to harass
缠夹不清
to muddle things together (idiom); to bother sb with annoying muddle-headed talk
缠夹二先生
annoying muddle-headed person who gabbles unintelligibly