1. learn that 聽說；發(fā)現(xiàn)；了解到
We learned that she was studying English and Japanese by herself at home, and was pretty good at writing.
我們發(fā)現(xiàn)她在家自學(xué)英文和日文，作文寫作水準(zhǔn)還挺高！

2. be the heart of 是……的核心/心臟
A vital, ongoing intellectual conversation --about our writing and that of published authors--is the heart of the course.
本課程的核心是對(duì)我們和作家的文章進(jìn)行重要、持續(xù)的知識(shí)討論7,5;Zy6uFmfev。

3. criminal history 犯罪前科
Fiddler has a long criminal history with arrests for assault, driving without a licence and not having her two older children in car seats.
兇手有多次前科，還因人身侵犯罪、無證駕駛罪以及沒有盡到看護(hù)人的權(quán)利將小孩放到了車座下而被逮捕過ltg8A4KKYT58VsZ。

4. for one's part 從……的角度來看；
For their part, food companies have been trying to address weaknesses in their supply chains.
從食品公司來看，它們一直在努力應(yīng)對(duì)供應(yīng)鏈中的薄弱環(huán)節(jié)w^)-.13prsGLH9jIg%*。