He's always enjoying being at the tip of the spear.

他总是很享受锋芒毕露的感觉。

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Standing in front of a wall with 89 stars, each depicting an officer killed in action, Obama praised the CIA as the "tip of the spear" in protecting the US from its enemies.

CIA大厅的墙上有89颗星，每一颗都代表一位在行动中殉职的CIA特工。 奥巴马在这面墙前称赞CIA是保护美国免受敌人侵害的”尖兵“（tip of the spear）.

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The HTV-2 - shaped like the tip of a spear - took off atop a Minotaur IV rocket from Vanderberg Air Force Base in California early on Thursday.

周四早些时候，形似矛尖的HTV - 2便从加州范登堡空军基地发射的“牛头人4号”火箭前端起飞。

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Many see it as the tip of the spear for future regulation.

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"They're going to be on the tip of the spear, " he said.

MSN: Next Top Guns? Air Force faces shortage of drone pilots

And you guys are the tip of the spear.

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