0 to ask someone to come to help in a difficult situation: --
A new team of detectives were called in to conduct a fresh inquiry.
1 to ask someone to come to help with a difficult situation: --
They called in the department which specializes in investigating credit card fraud.
2 to officially appoint someone to manage the finances of a company that cannot pay its debts: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
We kunnen het stap voor stap voltooien, hoe lang de weg ook is en het kan niet worden voltooid, hoe kort de weg ook is, als je niet eens je voetafdruk markeert.