To Toy With
To Play With, To Flirt, To Kid
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means play, so the verb version is to play with or to toy with someone.
たわむれる
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
Everyone always seems to yell at you when you start to toy with your towel and your towel moves (たわむ). Just because you don't have anything on under it doesn't mean you can't play with it! Right?!
子犬と戯れている少女の写真を撮りました。
I took a picture of the puppy and the girl playing with it.