A-OK
adjective /ˌeɪ əʊ ˈkeɪ/
  /ˌeɪ əʊ ˈkeɪ/
[not before noun] (North American English, informal)- in good condition; in an acceptable manner状况良好;过得去;还好 - Everything's A-OK now.现在一切都妥帖了。 
 词源1960s (originally an astronauts' term): from all systems OK.
- Everything's A-OK now.