pick up通过实践学会
例句：She soon picked up French when she went to live in France.
她到法国居住后很快就学会了法语。
2. Around 360 children attend the school. They're chosen by lottery and come from all walks of life.
come from 源自
例句：Knowledge comes from practice.
知识来自于实践。
3. Sarah Perkins works at the school as a grant writer.
work as做…工作，从事…职业
例句：She worked as a nurse when she was young.
年轻时她是一名护士。
4. But was she worried about teaching them such a difficult language?
worry about担忧, 烦恼
例句：He worried about how to make his living.
他为如何谋生发愁。
