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凯特:
Can I help you? 
要帮忙吗?
杰克:
Yes. My brakes are not working well.
是的.我的制动器不太好.
凯特:
What`s wrong with them?
怎么了? 
杰克:
I hear a noise and feel vibrations when I step on the brake.
我煞车时有嗓音.还振动.
凯特:
The front brakes?
前制动器?
杰克:
I think so.
好像是.
凯特:
Give me the key, and I`ll check it out.
给我车钥匙.我检查一下.
杰克:
Do you charge for checking it out?
检查要钱吗?
凯特:
No.
不要.
杰克:
How long is it going to take?
要多长时间?
凯特:
About half an hour.
半小时吧.
杰克:
I`ll wait.
那我等着.