Translation of "Hanky-panky" in German

I know you didn't get ahead through any hanky-panky.
Aber du hast es auch ohne Techtelmechtel geschafft.
OpenSubtitles v2018

There hasn't been hanky-panky. To my knowledge.
Es gab noch kein Techtelmechtel.
OpenSubtitles v2018

I was so sure all that was going on... was a little hanky-panky between Julian and Connie.
Ich war so sicher, das war alles nur ein Techtelmechtel... zwischen Julian und Connie.
OpenSubtitles v2018