资料来源 : pyDict

正合适,正好,好极了,太好了

资料来源 : Free On-Line Dictionary of Computing

bang on
     
        (Or "pound on").  To stress-test a piece of hardware or
        software: "I banged on the new version of the simulator all
        day yesterday and it didn't crash once.  I guess it is ready
        for release."
     
        [{Jargon File}]