the cutting edge
US /ðə ˈkʌtɪŋ ɛdʒ/
UK /ðə ˈkʌtɪŋ ɛdʒ/

1.
ujung tombak, terdepan
the latest or most advanced stage in the development of something
:
•
Their new software is at the cutting edge of technology.
Perangkat lunak baru mereka berada di ujung tombak teknologi.
•
The company is known for its research at the cutting edge of medical science.
Perusahaan ini dikenal karena penelitiannya di ujung tombak ilmu kedokteran.