launch into

US /lɔːntʃ ˈɪntuː/
UK /lɔːntʃ ˈɪntuː/
"launch into" picture
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.