adj.inclined to secrecy or reticence about divulging information
同义词：closecloselippedclosemouthedsecretive
Vestas using potentially harmful chemicals
Tight lipped
Tight-lipped
Profit up at tightlipped Yahoo
Design and construction of an electrical device : tightlipped infusion pump.
Gowers tightlipped on eve of report
GOP bets it all on tonight's address // Bush tightlipped on campaign trail
Shaq's agent says deal imminent; teams remain tightlipped
Tightlipped Unicorns & Monochrome Rainbows
Cancer Tsar tightlipped on O'Malley report
