I'm not familiar with that part. Let me call someone in charge.

那部分我不熟悉，让我找个负责这方面的人来说明一下。

We'll call someone in two or three days, have them come out, untie you.

三天后 我们会打电话叫人来 放开你。

" To call someone in" is a phrasal verb meaning to ask someone to come in and help you – in this case, with your problem.

“To call someone in”是一个动词短语，意思是请某人进来帮助你——在这种情况下，是解决你的问题。

This one is a little more informal; you'd probably use this one more if you're calling your friends or calling someone in not a business situation.

这个有点非正式；如果您打电话给您的朋友或在非业务情况下打电话给某人， 您可能会再使用这个。

The " new fellow" then took a supreme resolution, opened an inordinately large mouth, and shouted at the top of his voice as if calling someone in the word " Charbovari" .

于是新生狠下决心，张开血盆大口，像在呼救似的，使出了吃奶的力气叫道：" 下坡花力！"