访问，拜访；号召，请求

call on───访问，拜访；号召，请求

calls in───召集；召来

falls on───落到；指向

calls down───祈求到；责骂；招致

calls upon───号召；要求；拜访

called on───拜访

calls for───要求；需要（callfor的第三人称单数形式）

calls off───取消；依次叫名；叫走

calls out───唤起；出动；大声叫唤

She is a busy woman with many calls on her time.───她是个大忙人，有很多事等着她去办。

Mr. Liu calls on the Browns in Room 5806 in Grand Hyatt Shanghai.───刘先生到海君悦大酒店5806号房拜访布朗一家。

Zbik calls on parents to be vigilant in spotting these talents.───毕克召集了一些家长，要他们保持警觉性地去发现这些才能。

The mediation proposal calls on Saleh to transfer power to his deputy, but gives no specific timeframe for him to leave office.───调解方案要求萨利赫将权力移交给他的副手，但是没有给出一个具体的离职的时间表。

She was fielding calls on her mobile, finding parachutes for some of the jumpers at Lehman.───她在电话里接到通知，寻找降落伞为雷曼准备跳楼的员工。

So the company calls on a team of experts from Verizon Business to help design, build, manage, and improve its IT infrastructure.───因此该公司请VerizonBusiness的专家团队帮助他们设计、创建、管理并改进其信息科技基础架构。

Seeing her mother's repeated calls on her cell phone, Kimberly asks the guys to drive her home.───在手机上看到了母亲打来的多次电话，金伯利要男孩子们驾车送她回家去。

Shortly after joining, he began to receive calls on his cell phone from sales people early in the morning.───加入该网站后不久，他一大早便会接到推销员的电话。

The audio quality of voice calls on any phone, through any carrier, seems to have gotten worse rather than better.───不管是哪一款手机，也不管是哪一家通信运营商，语音通话的话音质量好像并非越来越好，反而是越变越差。

He often calls on me.

The McNamara Bill calls on Parliament to outlaw foxhunting.

Expect to see new calls on the administration -- of either party -- to somehow create jobs faster and raise wage levels.

The math teacher always calls on the boys.

The technology handles multiple calls on a single radio frequency by separating them in time.

She is a busy woman with many calls on her time.

The code calls on members to behave with integrity at all times.

He is a busy man with many calls on his time.

In self-defense Jack calls on his stick, which beats the father until he cries for mercy.