Retract

後移 /后移

hòuyí

(to pronounce (a sound, especially a vowel) farther to the back of the vocal tract)

收回

shōuhuí

(to pull (something) back or back inside)

收起

shōuqǐ

(to pull (something) back or back inside)

縮 /缩

suō

(to draw (an extended body part) back into the body)