道理

law; reason; principle; truth; rationale; logic; sense; theory; hows and whys

明白

clear; aware; obvious; evident; plain; distinct; apparent; explicit; lucid; understandable; comprehensible; intelligible; straightforward; unambiguous; get; see; grasp; understand; realize; comprehend; appreciate; catch on; make out; take in; figure out; roger; understanding; comprehension; realization; appreciation; apprehension; with; in focus