对

Measure inch by inch again and again until it’s correct
by crystalusagi

"又 (again) and 寸 (inch) Đúng (对) người cầm đèn, 3 nến (寸) lại (又) chiếu sáng từng inch"
by lkhalliera

Where is the business in simplifying correct an inch more again?
by talk2dream

Is it an INCH? Is is three centimetres? BOTH are correct!
by ProfessorChicken