1. Penny, the pretty girl living across the hall, always mooches dinner off her neighbor Leonard.2. Penny freeloads several meals a week from Leonard.3. Our neighbor is a freeloader of internet access off our Wi-Fi.
 mooch something off somebody freeload something from somebody a freeloadermooch 有點算口語的字，但很常用，也很貼切的指占便宜，例句一的意思是 Penny 常常凹鄰居 Leonard 晚餐。freeload 也很常用，名詞是 freeloader。
If you got severely injured and became a vegetale would you want to keep living?