Bite the bullet
To face a difficult decision bravely.

Cross that bridge when you come to it
Deal with a problem when it arises, not before.

Put your foot down
To be firm and resolute in making a decision.

The ball is in your court
It is now your decision to make.

Cut the Gordian knot
To solve a complex problem in a straightforward way.

Get your ducks in a row
To organize your thoughts or tasks before making a decision.

Take the plunge
To make a bold decision to do something risky.

Burn your bridges
To make a decision that leaves no way to go back.

Think outside the box
To think creatively and consider unconventional options.

Go with the flow
To accept things as they come, without making a big deal out of decisions.

On the fence
Unable to decide between two options.

Make up your mind
To decide something firmly.

Toe the line
To conform to a rule or standard when making a decision.

In the driver’s seat
To be in control of a situation and make decisions.

Weigh your options
To consider the pros and cons of different choices.

Take the bull by the horns
To confront a difficult situation directly.

Play it by ear
To make decisions as things progress rather than planning ahead.

Give it a shot
To try something and see what happens.

Jump in with both feet
To fully commit to a decision without hesitation.

Know where you stand
To be clear about your position or decision.