名詞 yank:

1. an American who lives in the North (especially during the American Civil War)
   同義詞：Yankee, Northerner
2. an American (especially to non-Americans)
   同義詞：Yankee, Yankee-Doodle

動詞 yank:

1. pull, or move with a sudden movement
   同義詞：jerk

1. Don't yank at the rope. Children, it might break.
   別用力拉繩，孩子們，它可能會斷的。
2. He yanked out a loose tooth.
   他猛拔出一顆松動了的牙。

yank

v.（動詞）
yanked,yank.ing,yanks
v.tr.（及物動詞）
To pull with a quick, strong movement; jerk:
快而有力地拉；急拉：
例句：
yanked the emergency cord.
猛拉救生索

Slang To extract or remove abruptly:
【俚語】 突然地移動：突然用力拉出或移開：
例句：
yanked the starting pitcher early in the game.
比賽開始時迅速啟動按扭

v.intr.（不及物動詞）
To pull on something suddenly.See Synonyms at jerk
突然拉扯某物參見 jerk
n.（名詞）
A sudden vigorous pull; a jerk.
用力猛拉；急抽

來源：
[Origin unknown]
[來源不明]