纵 ㄗㄨㄥ ˋ zòng 横 ㄏㄥ ˊ héng 驰 ㄔ ˊ chí 骋 ㄔㄥ ˇ chěng 縱 ㄗㄨㄥ ˋ zòng 橫 ㄏㄥ ˊ héng 馳 ㄔ ˊ chí 騁 ㄔㄥ ˇ chěng to criss-cross to run unhindered across the whole country