蹑机

蹑机	niè jī	silk loom with a foot peddle
蹑	niè	to walk on tiptoe / to walk quietly / to tread (on) / to follow
机	Jī	surname Ji
机	jī	(bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic