舌下

舌下	shé xià	sublingual / hypoglossal
舌	jī	used in 喇舌 to transcribe the Taiwanese word for "tongue"
舌	shé	tongue
下	xià	down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action