IDIOM: "Let's not reinvent the ____; we should use the existing process."
wheel (The idiom means avoiding unnecessary effort by using what already works.)
IDIOM: "He decided to step up to the _____ and lead the team during the crisis."
plate (This idiom means to take responsibility, especially in a difficult situation.)
IDIOM: "The manager told the team to keep their ____ on the ball to avoid mistakes."
eyes (This idiom means to stay focused and attentive.)