dắt mối 
serving as an intermediary [ dắt ] : to guide, lead, bring along
[ mối ] : (1) termite, white ant; (2) house lizard; (3) end (of entangled thread or string), beginning (of an involved story); [CL for feelings, tensions, relationships], cause for (hope, worry, danger), customer, passenger; (4) liaison, go-between
Most Common Compounds Set 1:
Most Common Compounds Set 2 :