early 15c., "in fact, in reality" (as opposed to in possibility), from actual + -ly (2). Meaning "actively, vigorously" is from mid-15c.; that of "at this time, at present" is from 1660s. As an intensive added to a statement and suggesting "as a matter of fact, really, in truth" it is attested from 1762.
权威例句
1. He actually became convinced that the nurses had an unanswerable case.
他实际上已经相信了护士们的情况确实如此。
2. They actually moved down from upstairs because the rent's that expensive.
他们确实从楼上搬到了楼下,因为房租太贵了。
3. He will actually be serving three concurrent five-year sentences.
实际上,他将服3个5年徒刑,合并执行。
4. I actually knew her, but in overalls I passed unrecognised.
实际上我认识她,但是我身着工作服,与她擦身而过的时候却没被认出来。
5. "Actually, most of my tennis is at club level," he admitted.