lack for 缺乏
learn from 向...学习
look up 仰望；查阅；尊敬；拜访
line out 标出；迅速移动；划出
left out 忽视，不考虑；被遗忘
left behind 留下；遗留
lean against （背）靠着；斜靠
lie to 顶风停住；对……撒谎
lie about 无所事事；闲荡
light up 照亮；点亮
limit to 限于
little bit 一点点
live on vi. 以...为食；靠...生活
live with 忍受；承认；寄宿在…家；与…同居
live off 以…为食料；靠…生活；住在…之外
live up 快乐地过日子
launch into 进入，投入
launch on 开始；着手
look upon 看待；把…看作
look at 看；考虑；着眼于