练习材料：
Lesson 27-（2）：Nothing to sell and nothing to buy
任务配置：
L0+L1
知识笔记：
单词积累
grudge
n. 怨恨；恶意
vt. 不愿；吝惜；嫉妒
He harbors a secret grudge against his father.
他对父亲暗怀不满。
I was willing to settle my grudge with Harrison.
我原意解决我和哈里森的怨恨。
I grudge paying so much for such inferior goods.
我不愿花这么多钱买次品。
She would grudge a penny even to the poorest beggar.
她连给最穷的乞丐一个便士都舍不得。
单词积累（from 口语粉碎机）：
start off on the wrong foot 开始时关系不好
take some/a lot of doing 费劲，有困难
I started off on the wrong foot with him.
我和他一开始就不对付。
I promise you this was none of my doing.
我向你保证这不是我干的。
Getting it finished by tomorrow will take some doing.
要在明天完成，有点难度。
keep an open mind
愿意听取意见，思想开明
I‘m not convinced it will work, but I''ll keep an open mind.
我不确定那是否行的通，不过我会虚心接受。
level with sb 和某人说实话
Level with me, did I make you feel uncomfortable?
跟我说实话，我又没有让你觉得不自在？
