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

1.
memulai dengan semangat, meluncurkan diri ke
to start doing or saying something with great energy or enthusiasm
:
•
He suddenly launched into a long explanation of his theories.
Dia tiba-tiba mulai menjelaskan teorinya dengan panjang lebar.
•
The choir launched into a powerful rendition of the anthem.
Paduan suara memulai penampilan lagu kebangsaan yang kuat.