the first finger of the hand or foot; thumb or big toe

the smallest digit on the hand or foot; pinkie or little toe

the second finger; the forefinger or index finger. Colloquially also called [[二拇指头|二拇指頭|er4 mu5 zhi3 tou5]]

(colloquial) thumb; big toe. Also written as [[大拇指|大拇指|da4 mu3 zhi3]], [[拇指|拇指|mu3 zhi3]], [[大拇哥|大拇哥|da4 mu3 ge1]], or [[大指|大指|da4 zhi3]]

the fourth digit of the hand, located between the middle finger and the little finger

(colloquial) the index finger; the finger next to the thumb

the fingernail on the thumb

to hold up one's thumb as a sign of approval; to give a thumbs-up

to raise one's thumb as a gesture of approval, success, or encouragement