flash

flash in the pan a thing or person whose sudden but brief success is not repeated or repeatable.

☞ This phrase developed from the operation of a flintlock or matchlock firearm, when the flash from the priming gunpowder in the 'pan' failed to ignite the charge in the barrel, so that the gun did not fire.

2014New Statesman Some have been celebrities for a long time, drawing the devoted to kiss their knees (more of that later). Others are mere flashes in the pan, so to speak.

quick as a flash (especially of a person's response or reaction) happening or made very quickly.

词组	flash
释义	flash flash in the pan a thing or person whose sudden but brief success is not repeated or repeatable. ☞ This phrase developed from the operation of a flintlock or matchlock firearm, when the flash from the priming gunpowder in the 'pan' failed to ignite the charge in the barrel, so that the gun did not fire. 2014New Statesman Some have been celebrities for a long time, drawing the devoted to kiss their knees (more of that later). Others are mere flashes in the pan, so to speak. quick as a flash (especially of a person's response or reaction) happening or made very quickly.
随便看	fill someone's boots fill someone's shoes fill someone's shoes fill someone's shoes (or boots) fill the bill fill the bill fill your boots fill your boots final find finder finders keepers finders keepers (losers weepers) finders losers weepers find God find god find god find it in your heart to do something find it in your heart to do something find your feet find your feet find yourself in a minority of one fine fine and dandy fine and dandy