琢磨

I can’t fathom her out — she says one thing then does another.

我磨不透她─她说的是套，做的又是套。

I’ve been mulling over what you said last night.

我直在磨你的话。

The visitor can ponder over the boomerangs used by aborigines at the time of Cook.

来访者可磨磨土著人在库克时期用的回飞镖。