留心liúxīnTop 20000Meanings1. to be careful; to pay attention toCharacters used留to stay心heartExamples1我们wǒmen要yào回去huíqu啦la,你nǐ托tuō我们wǒmen的de事情shìqing一定yīdìng留心liúxīn着zhe。We're heading back. We'll make sure to take care of what you asked us to do.