4.I learned the news about her mother's illness firsthand from Lena.
我直接从丽娜那到她母亲生病消息。
5.We gather up from various sources a great amount of firsthand data.
我们从各种来源收集大量第一手资料。
6.The economist gave us her feelings on the causes of inflation. Abelief is a conclusion, not necessarily derived firsthand, to which one subscribes strongly: