詞匯解析：
1、refree
n. 裁判；主裁判。
As soon as the refree ended the match. hundreds of thousands of Iraqi all over the globe were out in the street partying the joy of the victory.
當(dāng)裁判宣布比賽結(jié)束，全球數(shù)十萬(wàn)伊拉克人涌上街頭慶祝勝利的喜悅。
2、unfree
adj.不自由的。
Unfree countries rarely develop lifestyles that are envied abroad.
缺乏自由的國(guó)家很少會(huì)發(fā)展出讓外國(guó)人羨慕的生活方式。
3、carefree
adj.無(wú)憂(yōu)無(wú)慮的，快樂(lè)舒暢的；逍遙自在；寬暢；閑逸。
She had made their childhood so joyous and carefree.
她使他們的童年充滿(mǎn)歡樂(lè)，無(wú)憂(yōu)無(wú)慮。
4、costfree
n. 免費(fèi)。
As long as they remain rhetorical, they are cost free.
只要停留在口頭上，他們就不需要付出代價(jià)。
5、referee
n.裁判員；證明人；公斷人；（專(zhuān)業(yè)性強(qiáng)的文章的）審閱人。
vi.擔(dān)任裁判。
The match will be refereed by Derek Bevan from Wales
這場(chǎng)比賽將由來(lái)自威爾士的德里克·貝文執(zhí)法。