蹑手蹑脚nièshǒunièjiǎoMeanings1. to walk quietly on tiptoe (idiom)Characters used蹑to walk quietly手hand脚footExamples1汤姆Tāngmǔ悄悄qiāoqiāo地de打开dǎkāi了le门mén，蹑手蹑脚nièshǒunièjiǎo地de走进zǒujìn了le房间fángjiān。Tom quietly opened the door and tiptoed into the room.