launch into

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

انطلق في, بدأ بقوة

to start doing or saying something with great energy or enthusiasm

:
He suddenly launched into a long explanation of his theories.
فجأة انطلق في شرح طويل لنظرياته.
The choir launched into a powerful rendition of the anthem.
انطلقت الجوقة في أداء قوي للنشيد.