send in

verb

1. mail in
cause to be delivered

e.g. Send in your comments

2. give one's name or calling card to a servant when making a formal visit

1. 呈递，提交，邮寄(参赛作品、求职信等)
If you send in something such as a competition entry or a letter applying for a job, you post it to the organization concerned.

e.g. Applicants are asked to send in a CV and a covering letter...
申请人需要提交一份简历和附函。
e.g. We're hoping that readers will send in their ideas for saving money.
我们希望读者能来信说说他们省钱的点子。

2. 派遣,调来(警察、军队等以应付危机或困难)
When a government sends in troops or police officers, it orders them to deal with a crisis or problem somewhere.

e.g. He has asked the government to send in troops to end the fighting.
他已经要求政府派军队来平息这场战斗。

1.

1. 呈报,递交,送来：send for派人去请,召唤;索取 | send in呈报,递交,送来 | serve as作为,用作

2. 呈报,递送,提交：send for 派人去请,召唤;函购,函索 | send in 呈报,递送,提交 | set aside 留出,拨出(时间、金钱等把...置于一旁,不理会

3. 提出;交出：sell sb down the river 出卖某人 | send in 提出;交出 | serve sb right 活该