1.essential to 對…不可缺少，對…絕對必要，對…非常重要
例句：So why is it essential to take these medicines in combination?
那么，為什么聯合服用這些藥品如此關鍵呢？
2.even if 即使，縱然
例句：Even if he doesn't like what she did,he is not going to deep-six her now.
他雖然對她所做的事不滿，但現在還不想除掉她。
3.even now 甚至在現在，就在此刻，盡管這樣，雖然情況如此
例句：Even now she doesn't repent.
即使到了現在，她也不后悔。
4.even up 扯平，使相等,變相等
例句：Almost anything that moves and will go into that mouth, even up to half their own body size, is potential prey.
幾乎所有能動的東西都會進到它們口中，即使體型有它們一半大，也是它們潛在的獵物。
5.ever since 從那時起直至今，此后一直
例句：Ever since I had my daughter, my focus is not on me; it's on her.
從我有了自己的女兒開始，我關注的焦點就不再是自己了；我關注的是她。
6.every bit 從頭至尾，完全，全然
例句：It worked so well that it led to a sequel that proved every bit the first film's equal.
這部電影拍得如此完美，以至于后來的續集完全證明了第一部電影中所說的每一點。