send for
If you send for someone, you send them a message asking them to come and see you.
I've sent for the doctor.
我已经让人去请医生了。
If you send for something, or send away for it, or send off for it, you write and ask for it to be sent to you.
Send for your free catalogue today.
今天就写信去索要免费目录。
send in
If you send in something such as a competition entry or a letter applying for a job, you post it to the organization concerned.
Applicants are asked to send in a CV and a covering letter.
要求申请人提交一份简历并附上申请信。
When a government sends in troops or police officers, it orders them to deal with a crisis or problem somewhere.
He has asked the government to send in troops to end the fighting.
他已要求政府派部队来平息那场战斗。
send off
When you send off a letter or parcel, you send it somewhere by post.
He sent off copies to various people for them to read and make comments.
他把复印件寄给不同的人,请他们阅读并发表意见。
If a football player is sent off, the referee makes them leave the field during a game, as a punishment for seriously breaking the rules.
send out
If you send out things such as letters or bills, you send them to a large number of people at the same time.
She had sent out well over four hundred invitations that afternoon.
那天下午她发出了远不止400份请柬。
To send out a signal, sound, light, or heat means to produce it.
The crew did not send out any distress signals.
机组人员没有发出任何求救信号。
send out for
If you send out for food, for example, pizza or sandwiches, you phone and ask for it to be delivered to you.
Let's send out for a pizza.
咱们叫外卖送一个比萨饼来吧。
sends , sending , sent
When you send someone something, you arrange for it to be taken and delivered to them, for example, by post.
Myra Cunningham sent me a note thanking me for dinner.
迈拉·坎宁安寄给了我一封短信,感谢我请她吃饭。
I sent a copy to the head teacher.
我送了一份复印件给班主任。
If you send someone somewhere, you tell them to go there.
Inspector Banbury came up to see her, but she sent him away.
班伯里警官过来看她,却被她打发走了。
the government's decision to send troops to the region.
政府向该地区派遣军队的决定。
I suggested that he rest, and sent him for an X-ray.
我建议他休息,并叫他去作一次X光检查。
If you send someone to an institution such as a school or a prison, you arrange for them to stay there for a period of time.
It's his parents' choice to send him to a boarding school, rather than a convenient day school.
把他送到寄宿学校而不是去附近的走读学校是他父母的决定。
To send a signal means to cause it to go to a place by means of radio waves or electricity.
The transmitters will send a signal automatically to a local base station.
发射台会自动将信号发送到地方基站。
If something sends things or people in a particular direction, it causes them to move in that direction.
The explosion sent shrapnel flying through the sides of cars on the crowded road.
爆炸后飞溅出的炸弹碎片洞穿了拥堵在公路上的车辆的车身。
A left hook sent him reeling.
一记左钩拳打得他踉踉跄跄。
To send someone or something into a particular state means to cause them to go into or be in that state.
My attempt to fix it sent Lawrence into fits of laughter.
我尝试着修理它,却让劳伦斯笑得前仰后合。
before civil war and famine sent the country plunging into anarchy.
在内战和饥荒让这个国家陷入一片混乱之前。