蹑手蹑脚（躡手躡脚）　

◎ 蹑手蹑脚 nièshǒu-nièjiǎo

[stalk;tiptoe;as quiet as a mouse;tread lightly (softly);walk on tiptoe] 形容走路时脚步很轻。也作“捏手捏脚”