a. Held up to a certain pitch, degree, or level; uniform; as, sustained pasion; a sustained style of writing; a sustained note in music. [ 1913 Webster ]
[いちばくじっかん, ichibakujikkan](exp) (1) bursts of exertion will fail to bear fruit if interrupted by long periods of idleness; (2) strenuous efforts, unless sustained, are to no avail (Mencius)[Add to Longdo]