English phrase from drama scenes

Professional Ways to Say "we need to conduct this investigation thoroughly"

Learn the tone, meaning, and better English alternatives around "we need to conduct this investigation thoroughly" with real scene examples.

Intermediate
Neutral
Firm
Persuade

investigation thoroughly.

It means the speaker wants the investigation to be done in a complete and careful way.

From Killer Romance, Episode 39

When do people say this?

Scene Context

Someone is insisting that the investigation should be done carefully and completely.

Usage Scenario

Use this in formal or work contexts when asking for a careful investigation. It sounds professional and is not especially conversational.

Better ways to say it

1
We need to investigate this thoroughly.
2
Do a thorough investigation.
3
Look into it carefully.

How to learn English with ReelFluent

1
Discover

Scenes unlock real expressions as you watch

2
Understand

Tap to translate or use dual subtitles

3
Use

Practice immediately with AI Characters

4
Retain

Reinforce with quick quizzes and repetition

Learn practical English from scenes, not drills.

Build speaking confidence with drama-based context, instant explanations, and AI-powered practice tailored to real conversations.

Start learning

How to Negotiate in English

English Phrases for Work