verb · to physically turn one's head to look in a different direction

他转头向我微笑。

verb · to undergo a complete reversal of attitude or to repent for one's actions

只要他肯转头，大家都会原谅他。

verb · to change the direction of travel or perform a U-turn

车子在路口转头往回开。

verb · nutation (plants turning to face the sun)

向日葵有明显的转头现象。