3 一丝不苟 [-絲--] yīsī bùgǒu (a-bit-not-neglect) not be the least bit negligent, be conscientious and meticulous: 对工作~. Be meticulous about your work. || ~的态度a meticulous attitude '
3292 化学: chemistry: Cosmetics are made in chemical factories. 6644 算数: arithmetic: I was good at arithmetic from elementary school onwards. 6904 几帳面: exact; precise: She is meticulous.