for:[wéI][wéI]?
Basic explanation
For [wéi]
1.? Do, do, do something? : ~ people. ~ time. ~ difficult. Don't go too far.
Act as, admit as: take ~. Recognize ~. Learn from it ~ often.
3.? Become? : cheng ~
4.? what's up : twelve to one catty.
For [wèi]
1.? For, for? : ~ people begged. ~ the tiger is sick. ~ the country is dead.
2.? Table use? : ~. ~ him.
3.? Right, right? : insufficient ~ humanity.
4.? Help, defense.