Dr. Culver nervously muttered "Here goes," and gave the little girl an injection.

卡尔弗医生紧张地嘀咕了一句“要打了啊”，接着就给那小女孩打了一针。

《柯林斯英汉双解大词典》

This is hard for me but here goes.

这对我很难，不过我已经跨出了这一步。

youdao

It must mean something, so here goes. And so we resist that.

它必定有什么意思，就这样了，因此我们抵制那个。

youdao

To stand without moving and say 'Here it comes,there it goes,' as the clock's pendulum swings back and fore."

VOA: special.2011.03.05

This blue chain here goes from 5' carbon all along the chain and there's a 3' carbon left open at the bottom.

这条蓝色的链,从5'碳开始一直向下延伸,以3'碳做为链的末端

耶鲁公开课 - 生物医学工程探索课程节选

And there's a real spatial sense here, that it's being generated at the base of the world, and it goes up and it transforms these mountains into papier-mache.

这里有一种真实的空间感，是从世界的基本中产生的，这种空间感上升并转化成这些纸型的山。

耶鲁公开课 - 1945年后的美国小说课程节选

The end of 2012 offers an appropriate point to review my record, so here goes.

FORBES: I Am Going to Do What Stock-pickers Almost Never Do -- Review My Record

The reporter here goes to a village and asks to many people, if they are happy.

FORBES: Curious About Bhutan's Gross National Happiness? Watch This Film

This is going to be difficult for soccer traditionalists to swallow, but here goes.

WSJ: Euro 2012: Germany, Italy and the Fraudulence of Soccer Formations