やってみるto have a go, to try and do (something), to take a chance with something

新(あたら)しいことをやってみることにしました。

I've decided to take a chance with trying something new. {to have a go, to try and do (something), to take a chance with something}

先生(せんせい)：「もう一度(いちど)やって見(み)なさい。今度(こんど)は成功(せいこう)するわ。」

Teacher: "Try to do it once again. You will succeed this time." {to have a go, to try and do (something), to take a chance with something}

部下(ぶか)：「何(なん)とか部長(ぶちょう)の理想(りそう)に応(こた)えられるようにやってみます。」

Subordinate: "I will try and do my best to meet the director's expectations." {to have a go, to try and do (something), to take a chance with something}

警察(けいさつ)：「本当(ほんとう)に俺(おれ)を撃(う)つつもりなのか？やれるものならやって見(み)ろ！」

Police: "Do you really intend to shoot me? If you can, then try and do it!" {to have a go, to try and do (something), to take a chance with something}

監督(かんとく)：「別(べつ)に失敗(しっぱい)なんて気(き)にしなくていいんだ。とにかくやってみなさい！」

Director: "Don't worry about making mistakes. Just go ahead and give it a try!" {to have a go, to try and do (something), to take a chance with something}