区别辨析call、summon与send for

这些动词或词组均含有“召集，召唤”之意。

call : 非正式用词，含义广泛，指用说话或呼叫的形式召唤。

She called me over to where she was sitting.
她把我叫到了她坐着的地方。
I keep the bedroom door open in case the children call (for) me in the night.
我让卧室门开着，以防孩子们晚上叫我。
I was called to an emergency meeting this morning.
我今早被叫去参加一个紧急会议。
At school she was always being called into the headteacher's office.
在学校时，她总是被叫到校长办公室去。

summon : 正式用词，指官方或正式的召集，召集者具有权力或权威性。

General Rattigan summoned reinforcements to help resist the attack.
拉蒂根将军命令增援部队协助抵挡进攻。
On 20 July, the town council was summoned to hear an emergency report on its finances.
7月20日，镇政务委员会被召集起来听取有关其财务问题的紧急报告。
We were summoned to the headmaster's office.
我们被叫去了校长办公室。

send for : 作“召唤”解时，语气较随便，暗示委派一件工作。