Like father， like son. 有其父必有其子
little or nothing 只差一点点
live a dog's life 过着牛马不如的生活
live by oneself 独居
live up to one's words 履行诺言
loafing around 游手好闲
lone1 wolf 一个人一人
long stories 撒谎；吹牛皮
Long time no see. 好久不见
look before you leap 三思而后行
look for a needle in a key stack 大海捞针
look for trouble 自讨苦吃
look here 听我说
look into 调查
look out 当心
look over 迅速检查
look up 探望；涨价；形势好转；查字典
look up to sb 尊敬某人
Look who you're talking to. 看了解你是在对什么人说话。
looking forward to， be 期待
lose one's nerve 紧张，没勇气
lose one's shirt. 输得精光
lose track of the days 把时间搞糊涂了
lose track of time 弄乱时间
lost count 弄不了解
lost one's nerve 失去勇气
lost one's temper 发脾气
lost weight 瘦了
loudmouth 多嘴的人
lousy cliches 陈词滥调
lousy things 讨厌的事；卑鄙下流的事
lucky dog 幸运儿
