must needs
must needs
A set phrase used to emphasize that one absolutely has to do something. You must needs plow this field before the sun sets! He must needs apologize to her, if he ever wants to regain her trust.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
must needs do something
1 cannot avoid or help doing something. 2 foolishly insist on doing something.Farlex Partner Idioms Dictionary © Farlex 2017