(idiom) to have a well-thought-out plan in mind
胸 · 10 strokes
Phonosemantic compound. ⺼ represents the meaning and 匈 represents the sound.
有 · 6 strokes
Depicts a hand (又) holding meat (肉). In Oracle script this character was written the same as the phonetically similar 又, but later the 肉 component was added to distinguish them.
成 · 6 strokes
Depicts defending city walls (丁) with an axe (戌). 丁 also represents the sound. Based on the original meaning "city", now written as 城. The current meaning is a phonetic loan.
竹 · 6 strokes
Pictograph of bamboo stalks.
考试前他早已胸有成竹。
(idiom) to have a well thought out plan in mind