launch into

US /lɔːntʃ ˈɪntuː/
UK /lɔːntʃ ˈɪntuː/
"launch into" picture
1.

to start doing or saying something with great energy or enthusiasm

:
•
He suddenly launched into a long explanation of his theories.
•
The choir launched into a powerful rendition of the anthem.
:
embark oncommencebeginstartundertake
:
launch