launch into
US /lɔːntʃ ˈɪntuː/
UK /lɔːntʃ ˈɪntuː/

1.
melancarkan, memulakan dengan semangat
to start doing or saying something with great energy or enthusiasm
:
•
He suddenly launched into a long explanation of his theories.
Dia tiba-tiba melancarkan penjelasan panjang tentang teorinya.
•
The choir launched into a powerful rendition of the anthem.
Koir melancarkan persembahan lagu kebangsaan yang hebat.