I think we need to re-examine this.

Meaning

I think we need to review this again carefully.

Examples

• John: '<b>I think we need to re-examine this</b>. The data doesn't seem consistent.'
• Alice: 'Let's do that.'
• John: 'You're right, let's reconsider.'
• Alice: '<b>I think we need to re-examine this</b>. There's a flaw in our logic.'