我不明白你在暗示什么。你能解释得更清楚吗？

I don't understand what you're ___getting ___at. Could you explain it more clearly?

他想要表达的观点是我们需要更努力工作。

The idea he's ___getting ___at is that we need to work harder.

当她说那句话时，我在想她到底是什么意思。

When she said that, I wondered what she was ___getting ___at.