My estimate was bang on target.

我的估计完全准确。

The bombs went down—wham!—right on target.

炸弹落了下来，砰！正好击中目标。

We were still right on target for our deadline.

我们那时仍然很有希望在最后期限之前完成目标。

The new sports complex is on target to open in June.

新建的体育中心将在六月份如期开放。

We're going to help you ramp in, and you'll certainly be able to start course six and do just fine and still finish on target.

我们会帮你慢慢过渡，你肯定能顺利开始学习第六门课程，并取得不错的效果，最终完成目标。