In Yiddish, you can say "oy vey" to express astonishment or disbelief, which is similar to saying "wow" in English.
"Jewish" in Yiddish is "ייִדיש" (yidish), pronounced as "yiddish."
In Yiddish, you can say "kesheprsia" to mean my pleasure.
In Yiddish, you would say "zay dankbar."
In Yiddish, you can say "eynzik" to mean okay.
To say "nephew" in Yiddish, you would say "neve."
In Yiddish, husband is "man."
To say "Catholic nun" in Yiddish, you would say "katolisher nonne."
To say "Grandsons" in Yiddish, you would say "קיינעזעם" (keynezem).
In Yiddish, you can say "keyn problem."
In Yiddish, you can say "Ikh lib dikh, mame."
In Yiddish, you would say "Ikh bin ehr-gekent."