1.nail down 確定(協議)
例句:The Secretary of State and his Russian counterpart met to try to nail down the elusive accord.
美國國務卿和俄羅斯外交部長進行了會晤,試圖敲定這項難以達成的協議 。
2.slate v. 預定;計劃;安排
例句:Controversial energy measures are slated for Senate debate within days.
幾項頗受爭議的能源措施定于幾天后提交參議院討論 。