line up 排队，使排成一行
a little 一点，少许
little by little 逐渐地
quite a little 相当多，不少
live on / by 靠。。。生活
live through 度过，经受过
live up to 做到，不辜负
as long as / so long as 只要，如果
before long 不久以后
for long 长久地
no longer不再
look after 照顾，照料
look at 看望，注视
look back 回顾，回头看
look down on 看不起，轻视
look into 寻找，寻求
look forward to 盼望，期待
look into 调查，观察
look on 旁观，观看
look out 留神，注意，警惕
look over 检查，察看，调查
look through 仔细察看，游览，温习
look up to 尊敬，敬仰
at a loss 困惑，不知所措
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