融會貫通

to melt or thaw; to blend or merge; to harmonize or be in accord; to circulate or flow smoothly; to be joyful or harmonious.

Can; to be able to; to know how to; to meet; to gather; a meeting; a gathering; a moment; to reckon accounts.

To pierce or pass through; to connect or link together; a string of 1000 coins; a place of origin or ancestral home.

To go through; to connect or communicate; to be open or clear; to know well; expert; common; fluent; smooth; classifier for letters or calls.