1.grind sth (down/up)/grind sth (to/into sth) 將某種東西磨成粉末
to grind coffee/corn 將咖啡/谷粒磨成粉
例句：There's a way to actually grind down and prepare the flour, so that you promote the enzymes within the plant to breakdown the cyanide precursors.
有一種方法是將它們磨碎，做成粉，這樣就可以促進它們本身帶有,酶將氰化物的前驅(qū)體分解掉。

2.polish sth off 很快做完；(尤指)迅速吃光
例句：He polished off the remains of the apple pie.
他把剩下的蘋果派趕快吃完。

3.a hint of 少許，一點點
例句：With even a hint of one false answer, dramatically modify your idea or better yet, abandon it and start over.
即使對方的答案有一點點錯誤，巧妙地轉(zhuǎn)換調(diào)整你本來的想法或使它變好，并且忘記它重新開始。

4.add to 增加
例句：The bad weather added to the shipwrecked sailors' difficulties.
惡劣的天氣增加了失事船只的船員們的困難。