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

1.
barisan hadapan, terkini
the latest or most advanced stage in the development of something
:
•
Their new software is at the cutting edge of technology.
Perisian baharu mereka berada di barisan hadapan teknologi.
•
The company is known for its research at the cutting edge of medical science.
Syarikat itu terkenal dengan penyelidikannya di barisan hadapan sains perubatan.