Nantoka/耳塞ěr sāi耳塞 (ěr sāi) is a Chinese word meaning “earplug; earphone”.Meanings1earplug2earphoneCharacters in 耳塞耳ěr · ear塞sāi · to plug; to stop up; to stuff inRelated words塞to plug; to stop up; to stuff in塞(bound form) strategic stronghold塞(bound form) to block; to obstruct耳朵ear耳ear耳环earring土耳其Turkey耳机headphones耳光a slap on the face要塞stronghold洗耳恭听to listen with respectful attention堵塞to clog upStudy Chinese with flashcards →