▍原文 A day after the audacious U.S. military operation in Venezuela, President Donald Trump renewed his calls for an American takeover of the Danish territory of Greenland and threatened military action on Colombia, while his top diplomat declared the communist government in Cuba is "in a lot of trouble". With thinly veiled threats, Trump is rattling hemispheric friends and foes alike, spurring a pointed question around the globe: Who's next? ▍語言點 audacious /ɔːˈ deɪʃəs/ adj. 大膽的；魯莽的；放肆的 · an audacious plan 一個大膽的計劃 · an audacious suggestion 一條大膽的建議 call /kɔː l/ n. 訴求（demand or request） threaten /ˈ θretən/ v. 威脅 · threaten to do something 威脅要做某事 · threaten to fire someone 威脅說要開除一個人 · threaten to quit 威脅要辭職、要退出 · threaten legal action 威脅舉報 · threaten war 威脅開戰 · threaten strike 威脅罷工 thinly veiled threats 裹著一層薄紗的威脅（幾乎不帶任何掩飾的、非常直白的威脅） · veil v. 蓋上一層...