Freeloading
利用别人慷慨而占便宜的
🗣️ 情景例句
Learning any language takes a lot of effort.
学习任何语言都需要花费很多努力。
His necktie is behind the book case.
他的领带在书架后面。
He's doing very well in the navy.
他在海军里干得很出色。