既: already, since, both... (and...)...
奸诈: treachery, devious, a rogue...
磨合: to break in, to wear in...
志愿者: volunteer...
粘: to glue, to paste, to adhere, to stick to...
冒昧: bold, presumptuous, to take the liberty of...
指南: to guide, guidebook...
复合: complex, compound, composite, hybrid, to compound, to combine...
唱片: gramophone record, LP, music CD, musical album...
无奈: to have no alternative, frustrated, exasperated, helpless, (conjunction) but unfortunately...