今日、覚えたい英熟語　[nail in coffin]

Skywest’s CRJ Support Deal Could Be Nail In Coffin For MRJ Order　　7/25, 2016
http://aviationweek.com/mro/skywest-s-crj-support-deal-could-be-nail-coffin-mrj-order

向こう１０年間のメンテナンス契約は　ボンバ機433をカバーするものであり、その内訳は、
CRJ200: 234
CRJ700: 135
CRJ900: 64

　　以下のヨイショ発言は気になりますよね。
“Bombardier’s CRJ Series airliners continue to be essential to our two airlines’ fleets
and have helped our company become one of the largest regional jet operators in the world,”
said Wade Steel, CCO, SkyWest.