名詞 thumb:

1. the thick short innermost digit of the forelimb
   同義詞：pollex
2. the part of a glove that provides a covering for the thumb
3. a convex molding having a cross section in the form of a quarter of a circle or of an ellipse
   同義詞：ovolo, quarter round

動詞 thumb:

1. travel by getting free rides from motorists
   同義詞：hitchhike, hitch
2. look through a book or other written material
   同義詞：flick, flip, riffle, leaf, riff
3. feel or handle with the fingers
   同義詞：finger

1. The modern office block sticks out like a sore thumb among the old buildings in the area.
   那座現代的辦公樓直挺挺地豎在那片舊建筑物群中十分扎眼。
2. Don't suck your thumb; it's so dirty.
   別舔手指頭，太臟了。
3. As a rule of thumb, you should cook a chicken for 20 minutes for each pound that it weighs.
   憑經驗估計，每磅雞肉應烹調20分鐘。
4. He caught his thumb in the door.
   他的拇指讓門夾了。
5. I feel my fingers are all thumbs today.
   我覺得我今天笨手笨腳。
6. He thumbed through the address book looking for the number.
   他翻閱地址簿，尋找號碼。
7. When the play opened, the local press gave it the thumbs down.
   這出戲公演時，當地報紙對它評價不佳。