Meaning of mù jī:
mù jī
目击
Verb
to see with one's own eyes; to witness
Tā qīnyǎn mùjī le shìgù de quánguòchéng.
她亲眼目击了事故的全过程。
She witnessed the entire accident firsthand.
Wǒ céngjīng zài xiànchǎng mùjī zhè chǎng yìwài.
我曾经在现场目击这场意外。
I once witnessed this accident on the spot.