音频里的词，词组和 例句

Promise  verb noun

/ˈprɒmɪs/

promise

 verb

 I promised to buy a new pencil bag for you.   我保证给你（买个）新笔袋

I promised you a newpencil bag.

Promise not to tellanyone. 你保证不要告诉任何人

 I promise.   

You have my word.

或者  I give you my word. 

She kept her promise tovisit her aunt once a week.

She broke her promise and did notvisit her aunt this week.

cost verb noun

It only cost me 10 yuan. 我只花了10元。 

Don't use too much - it costs a lot ofmoney.  不要用太多，这个很贵的。

 The total cost of the birthday party is1000 yuan. 生日派对的总开销是1000

 I bought a computer at a cost of 5000.

The computer costs me 5000.

 I will keep my promise at any cost. 无论付出什么代价我都会信守承诺。