Touchstones
n. 试金石, （检验）标准( touchstone的复数形式 )
🗣️ 情景例句
Sorry.
对不起。
He who fears to suffer, suffers from fear.
怕吃苦头的反因怕而吃苦头。
I'm afraid that it's not going to work out.
我恐怕这事不会成的。