There’s only one thing for it

Pro Tip 1/3

Problem Solving

Used when you decide on a direct solution to a problem when no other options seem viable.

When the printer wasn't working, there was only one thing for it – handwrite the notes.

Pro Tip 2/3

Slight Urgency

Implies a need to act promptly because other alternatives might not be practical or possible.

We're going to miss the show! There's only one thing for it – call a taxi now.

Pro Tip 3/3

Decision Finality

Indicates that a final decision has been made after considering the situation.

If the leak doesn't stop, there's only one thing for it – shut off the water supply.