firsthand
adj [attrib 作定语], adv gained or coming directly from the original source 第一手(的); 直接从来源处得到(的)
firsthand information 第一手信息
experience sth firsthand 亲身经历某事.
🗣️ 情景例句
Run it by me again, if you don't mind.
不介意的话,请再说一遍。
No man can be a good ruler unless he has first been ruled.