所谓偷走别人的雷声 steal someone's thunder, 实际上意思是窃取别人的成果和荣誉从而达到利己的目的。

例句

Sam stole my thunder when he said he'd done all the work. It's not true – I did most of it!

Please don't steal my thunder by announcing your engagement tonight. I want to tell everyone that I'm pregnant.

I was telling a joke and he just interrupted me to tell a different one. He always steals my thunder.

请注意

你知道 thunder 和 lightning 这两个词的区别吗？前者意思是雷鸣；后者的意思是闪电。

例句

I enjoyed watching the storm last night—I managed to take photos of the lightning. But my dog hid under the table—he’s terrified of the thunder.