Translation guide
A trial run is a test of something before its official use or launch, to check if it works properly or to practice. In Japanese, the most common equivalent is 試運転 for machines/vehicles, and 試しにやってみる or テスト for general situations.
To operate a machine, vehicle, or system for the first time to ensure it works correctly.
Specifically for testing the operation of vehicles, machines, or equipment. Commonly used for trains, cars, elevators, etc.
新しい電車の試運転が始まった。
The trial run of the new train has started.
A general loanword for 'test', often used for trial runs of software, systems, or processes.
新しいシステムのテストを行う。
We will conduct a trial run of the new system.
A more formal or technical term for trial operation, similar to 試運転 but often used in engineering contexts.
プラントの試験運転を実施した。
We carried out a trial run of the plant.
To attempt something as an experiment or to see how it goes, not necessarily a machine.
Literally 'try doing it as a test'. A very natural way to express doing a trial run of an activity or method.
新しいレシピを試しに作ってみた。
I did a trial run of the new recipe.
A noun meaning 'trial' or 'test', often used for products or services. Can be used in phrases like お試し期間 (trial period).
このソフトはお試しで使えます。
You can use this software on a trial basis.
Loanword meaning 'trial', often used in business or sports contexts. Can refer to a trial run of a service or a tryout.
A formal term meaning 'trial' or 'test run', often used in technical or academic contexts, like 試行錯誤 (trial and error).
To do a practice run of an event, performance, or procedure to prepare.
Loanword for 'rehearsal', used for performances, events, or presentations. Can be used metaphorically for any practice run.
本番の前にリハーサルをしよう。
Let's do a trial run before the real thing.
Literally 'try doing it as practice'. A casual way to suggest a trial run for practice purposes.
プレゼンの前に、練習でやってみよう。
Let's do a trial run of the presentation beforehand.
試運転 is specifically for operating machines or vehicles for the first time. テスト is a broader term for any kind of test, including trial runs of software or processes.
エレベーターの試運転
trial run of the elevator
ウェブサイトのテスト
trial run of the website
Avoid directly translating 'trial run' as 裁判走行 or similar. It will not be understood. Use the appropriate term based on context.
発売前に新しいソフトのテストをする必要がある。
We need to do a trial run of the new software before the launch.
その電車は試運転中です。
The train is undergoing a trial run.
無料トライアルに申し込む。
Sign up for a free trial.
We will begin a trial run of the new method.
A formal term for a rehearsal or dry run, often used for ceremonies or military exercises.
式の予行演習を行う。
We will conduct a trial run of the ceremony.