Примеры употребления для know first-hand
1. "I know first hand the robust security systems that are in place there.
2. Having served under Republican and Democrat control in the House, I know first hand how important it is for Republicans to maintain their national majority.
3. "New Yorkers know first hand how effective Hillary is as a leader, which is why her support runs deep in this state," Spitzer said Tuesday.
4. "My own daughter Lucy was born with a chromosome disorder, so I know first hand just how devastating the diagnosis can be.
5. As a former (Australian) ambassador (to Vietnam) I know first–hand how much hard work, learning, and effort goes into the complicated and sometimes painful process of joining the WTO.