"young mammal before it is weaned," late 14c., agent noun from suck. Slang meaning "person who is easily deceived" is first attested 1836, American English, on notion of naivete; but another theory traces the slang meaning to the fish called a sucker (1753), on the notion of being easy to catch in their annual migrations (the fish so called from the shape of its mouth). As a type of candy from 1823; especially "lollipop" by 1907. Meaning "shoot from the base of a tree or plant" is from 1570s. Also the old name of inhabitants of Illinois.
sucker (v.)
"to deceive, to make a dupe of," 1939, from sucker (n.) in the related sense. Related: Suckered; suckering.
例文
1. Keep giving us your money, sucker !
あなたのお金を私たちに渡し続けて、ばか!
2.I 'm such a sucker for romance.
私はロマンに対して何の力もありません。
3.I 've always been a sucker for men with green eyes.
私はいつも緑の目の男に夢中です。
4.It is becoming harder for the authorities to sucker healthy banks into taking over smaller ones.
当局が経営状態の良い銀行を騙して小さな銀行を引き継ぐことはますます難しくなっている。
5.If you tell those folks the truth,they won 't vote for you.But if you sucker them,they 'll vote for you twice over.