flakey ['fleɪki:]

例句:

• The orchestra played with lustre, and the girls of the National Youth Choir of Scotland were far from flakey snowflakes.
  来自THETIMES
• Video was kind of flakey from the get go, but I thought it was most likely a driver issue.
  来自ENGADGET
• One need not be bi-polar to be a flake, but flakey behavior often has a seriously problematic root cause.
  来自FORBES