When you are recovered from cold and fatigue, you tend to tease the baby, stroking his chin, giving a gentle pinch to his cheek or making a face to provoke him to gurgle.

• 你暖和了，还不觉得疲倦的话，可以摸摸小孩子的下巴，拧拧他们的脸蛋，做一点奇怪的样子，逗他们嘻笑。