And finally, we will explain action from the physicalist view and point out its difficulties.

最后我们将从物理主义观点来说明行动，并指出其困所在。

You must bring home to Tony where the difficulty lies.

你必须使托尼明白困所在。

The coach said he wasn’t worried about any position except quarterback;that was where the shoe pinches.

教练员说前场与中场以外,他不担心其他别;前场与中场是困所在。

That's where the shoe pinches.

那就是困所在。