隆隆聲（名詞）

(noun) A sudden, loud, dull sound.

EXAMPLE: After I saw a flash of lightening on the horizon, I waited to hear the boom of distant thunder.

在看到地平線上一道電光閃過后，我等著聽到遠處傳來轟隆隆的雷聲,。

hot-button issue

極其重要的事（非正式）

(INFORMAL) An extremely important concern or argument.

EXAMPLE: My brother loves soccer and has strong opinions about teams and players, so next year's World Cup is really a hot-button issue for him.

我兄弟喜歡足球,，對球隊和球員有非常專業(yè)的看法,，所以明年的世界杯對他來說是非常重要的事情。