theo một nhân chứng 
according to a witness [ theo ] : to follow, believe in; according to, on, at, in
[ một ] : one; a, an
[ nhân ] : (1) at the time of; (2) core, kernel, almond; (3) to multiply; (4) man, person; (5) to cause
[ chứng ] : disease, ailment, symptom, sickness, illness; proof, evidence
Most Common Compounds Set 1:
Most Common Compounds Set 2 :