理解到

Reason; logic; truth; to manage; to handle affairs; to tidy up; to pay attention to; inner essence; natural science; texture or grain.

To untie or loosen; to solve or explain; to divide or separate; to remove or eliminate; to understand or know; to melt or dissolve.

To reach or arrive; to go to; until a time or up to a point; a verb complement indicating arrival; thoughtful; thorough.