英语语法分析

I know their tricks and stratagems.

我对他们的花招和战略洞若观火。

Feints and stratagems are the stuff of chess.

佯装与计谋都是下象棋常耍的把戏。

However, talk about stratagems on paper is not very useful.

然而，纸上谈兵是没有用的。