детский лепет {n. phr.}
d'etskiyl'ep'et
~babbling.
{literally} baby talk, childish prattle.
Naive thoughts or blether.
То, что вы сейчас наговорили — просто детский лепет. — What you have just spoken is just a baby talk.
See also:
chit-chat, chit-chatting
dalliance