YOU SAID:

My friend here is rambling on and on with this weird thing

INTO JAPANESE

ここにいる私の友人は、この奇妙なことを何度も繰り返しています

BACK INTO ENGLISH

My friend here is doing this strange thing over and over

INTO JAPANESE

私の友人はこの奇妙なことを何度もやっています

BACK INTO ENGLISH

My friend is doing this weird thing many times

INTO JAPANESE

私の友人はこの奇妙なことを何度もやっています

BACK INTO ENGLISH

My friend is doing this weird thing many times