Correct

妙用

/ miào yòng /
Strokes

Definition

magical effect

Example

As a Verb

ingeniously use

1
Shàn
善于
miào
yòng
chéng
成语

be good at using four-character idioms

As a Noun

magical/marvellous effect

2
suàn
计算机
yǒu
miàoyòng
妙用
  

The computer can work miracles/wonders.