put/throw a spanner in the works

: to place in a specified position or relationship : lay

: to move in a specified direction

: to send (something, such as a weapon or missile) into or through something : thrust

: a throw made with an overhand pushing motion

: an option to sell a specified amount of a security (such as a stock) or commodity (such as wheat) at a fixed price at or within a specified time — compare call 3d

: being in place : fixed, set

: to propel through the air by a forward motion of the hand and arm

: to propel through the air in any manner

: pitch

: an act of throwing, hurling, or flinging

: an act of throwing dice

: the number thrown with a cast of dice

: wrench

: a wrench that has a hole, projection, or hook at one or both ends of the head for engaging with a corresponding device on the object that is to be turned

: to perform work or fulfill duties regularly for wages or salary

: to perform or carry through a task requiring sustained effort or continuous repeated operations

: to exert oneself physically or mentally especially in sustained effort for a purpose or under compulsion or necessity

: activity in which one exerts strength or faculties to do or perform something:

: activity that a person engages in regularly to earn a livelihood

: a specific task, duty, function, or assignment often being a part or phase of some larger activity

: suitable or styled for wear while working

: used for work

: involving or engaged in work