There were calls for major changes to the welfare system.
有人要求对福利制度进行重大改革。
Call me if you have any problems regarding your work.
你如果还有什么工作方面的问题就给我打电话。
The result is going to be too close to call.
双方实力非常接近，因此结果无法预料。
Every single time he calls, I'm out.
他每次打电话来我都不在家。
It's been two weeks now since she called.
她到现在已经有两个星期没来电话了。