[tong1 da2] /to understand clearly/to be sensible or reasonable/understanding/
  [tong1 da2] /Einsicht, Einstieg (u.E.) (S)/
  [tong1 da2] /comprendre/saisir/savoir/
 [つうたつ] /(n,vs) notification/directive (e.g. from higher to lower levels of the administration)/(P)/EntL1433460X/
Visszatérés a(z) „通達” laphoz.