ちょっかいを出(だ)すto meddle, to poke one's nose into, to interfere, to make a pass at, to flirt with, to make a move on

隣(となり)の人(ひと)にちょっかいを出(だ)したら怒(おこ)られました。

I got scolded for meddling with the person next door. {to meddle, to poke one's nose into, to interfere, to make a pass at, to flirt with, to make a move on}

先生(せんせい)：「先生(せんせい)にちょっかいを出(だ)すのをやめなさい！」

Teacher: "Stop meddling with the teacher!" {to meddle, to poke one's nose into, to interfere, to make a pass at, to flirt with, to make a move on}

他人(たにん)のことにちょっかいを出(だ)す彼女(かのじょ)は嫌(きら)われています。

She is disliked for meddling in other people's affairs. {to meddle, to poke one's nose into, to interfere, to make a pass at, to flirt with, to make a move on}

彼氏(かれし)：「俺(おれ)の女(おんな)にちょっかいを出(だ)すな！これが最後(さいご)の警告(けいこく)だ！」

Boyfriend: "Don't meddle with my girl! This is your last warning!" {to meddle, to poke one's nose into, to interfere, to make a pass at, to flirt with, to make a move on}

人(ひと)のパートナーにちょっかいを出(だ)すような人(ひと)が良(よ)い人(ひと)であるわけがない。

There's no way that a person who meddles with someone else's partner can be a good person. {to meddle, to poke one's nose into, to interfere, to make a pass at, to flirt with, to make a move on}