今天我們要學的詞是ratchet up. Ratchet up 提高，加劇。U.S. Secretary of State John Kerry said that Washington is ready to ratchet up pressure on increasingly aggressive North Korea. 美國國務卿克里說，美國隨時準備對越來越肆無忌憚的朝鮮施加更大的壓力。The Obama administration has requested a quadrupling of defense spending in Central and Eastern Europe for fiscal year 2017, a move critics say would ratchet up Cold-War era tensions with Russia. 奧巴馬政府要求將2017年財政年度用于中歐東歐的國防開支翻兩番，批評人士認為此舉會讓美俄冷戰時期的緊張關系再度抬頭。好的，我們今天學習的詞是 ratchet up, ratchet up, ratchet up...