To achieve a landmark success

Meaning

To attain a highly significant achievement.

Examples

• John: Our team is striving <b>to achieve a landmark success</b> this year.
• Alice: What kind of success are you aiming for?
• John: We want to launch our product globally and capture significant market share. We really want <b>to achieve a landmark success</b>.
• Alice: That's a bold goal! I believe in you all.