freeloader白吃白住的人。loader是裝貨機及裝卸工的意思。免費把東西載走，意指想不花任何代價地享受福利，也可以用free rider代替。freeloader原本是指「濫用社會資源、不從事生產的人」，後來才用來形容「在別人家白吃白住的人」。
看看老外聊天時怎麼用freeloader：
Betty: Here you are again. What do you want?
George: There's a good game on Channel.Let's get some pizza.
Betty: You are such a freeloader all the time!
George: Come on. It's much more fun to do things together.
Betty: Maybe. But definitely not with you!
貝蒂：又是你，你要做什麼？
喬治：第5頻道在轉播比賽，我們叫比薩來吃吧。
貝蒂：你真是個很愛白吃白喝的人！
喬治：別這樣嘛，大家一起才好玩啊。
貝蒂：也許吧，但絕對不是跟你一起！
freeloader例句精選：
Last night I told him to stop being a freeloader and get out and find another job.
昨天晚上，我告訴他不要繼續白吃白住，到外面去再找一個工作。
She refused to become a freeloader and tried very hard to find a job to support herself.
她卻不甘心做一個坐享其成的人，下了很大功夫去找工作來養活自己。
My brother is a huge freeloader, but he's family, so I can't just kick him out.
我的弟弟是一個超級喜歡吃白食的人，但因為是一家人，我也不能把他趕出門。
Lily：Tim has been coming-over several times a week.What's he up to？
Tony：Well，I think he's kind of a freeloader.
莉莉：蒂姆一個禮拜來我們這裡好幾次，他到底想做什麼？
託尼：這個嘛，我覺得他有點愛佔便宜。
拓展學習：
sponge 海綿；吃閒飯的人
brazen 厚臉皮的
contribution 貢獻
attach oneself to 依附於
in clover 安逸
load the dice 採用不正當的手段