他踮着脚尖走到门口，怕吵醒正在睡觉的猫。

He ___tiptoed to the door, afraid of waking the sleeping cat.

孩子们踮着脚走过熟睡的猫咪，生怕吵醒它。

The children walked on ___tip-toes past the sleeping cat to avoid waking it up.