Study & education

trial and error

trying methods until one works

Trial and error is a way of learning or solving a problem by trying different methods and correcting mistakes.

B2 common speech & writing

expression

Hear it in real life

How did you fix the printer?

Mostly by trial and error.

Play the conversation

I worked out the software by trial and error.

The mistake everyone makes

Not: by trials and errors

Say: by trial and error

This expression is normally uncountable and stays in the singular form.

Build it

How it fits in a sentence.

by trial and error; take trial and error

Your turn: say it out loud

I worked out the software by trial and error.

Say it out loud two or three times, until it feels like yours.

trial and error

trying methods until one works

“I worked out the software by trial and error.”

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