练习材料：
Lesson 16-（1）：Mary had a little lamb
任务配置：
L0+L1
知识笔记：
单词积累：
dye 染色
A good dye will not fade.
染得好的颜色不会褪色。
They used only natural pigments to dye the wool.
他们只用天然颜料染毛织品。
want to 应当，应该
You want to get married for your age.
你这个年纪也该结婚了。
want none of sth 拒绝接受
Liu Haoran wants none of his fans' gifts but letters.
刘昊然不收粉丝礼物只收信。
in want of sth 需要某事物
know different 所知道的不是那么回事
in the know 知情，掌握内情
Somebody in the know said that he and his wife divorced last year.
据知情人士透露，他和妻子去年就已经离婚了。
shoot oneself in the foot
搬起石头砸自己的脚
If he keeps doing that, pretty soon he is gonna shoot himself in the foot.
如果他继续这么做的话，很快他就会自食恶果。
know-it-all 百事通
Nobody likes to talk to a know-it-all.
没有人喜欢和自以为是的人无话不谈
