benchmark
基准   

例句：
The new fast computer is now the benchmark in the computer industry.
这种新型快速计算机已经成为计算机工业的基准了。
 

fall on deaf ears
未被理睬，未受到重视
 
例句：
She would feel heart-broken if she knew that her advice to you had fallen on deaf ears.
如果她知道你把她的忠告当成耳旁风，她会很伤心的。

I'll get a cab.
我去叫辆出租车。  

对话：
A: You look pale. What's the matter with you?
B: I feel weak and dizzy.
A: You should go to see a doctor immediately. I'll get a cab for you.
B: Thanks.

A：你怎么啦，你的脸色很苍白。
B：我觉得很虚弱，头晕。
A：你应该马上去看医生。我去给你叫一辆出租车。
B：谢谢你。