挑

Kanji: 挑
Level: N1
Meaning: challenge
On'yomi: チョウ
Kun'yomi: いど.む
Strokes: 9
Common compounds: 挑戦 (ちょうせん) challenge 挑発 (ちょうはつ) provocation
Memory hook: A hand (扌) that uses a lot of energy (兆) to challenge someone.