花拳绣腿

1. • flowery of fist with fancy footwork (idiom)
2. • highly embellished and ineffectual
3. • fancy but impractical skills
4. • all show and no go
5. • pugilistic wankery

Character by character

• 花(huā)surname Hua
• 拳(quán)fist
• 绣(xiù)embroider
• 腿(tuǐ)leg