投筆從戎

Simplified: 投笔从戎

tóubǐcóngróng ㄊㄡˊ ㄅㄧˇ ㄘㄨㄥˊ ㄖㄨㄥˊ

    • to lay down the pen and take up the sword (idiom)
    • to join the military (esp. of educated person)

Character by character

Sources