spiffs; spiffed; spiffing
spiffs; spiffed; spiffing
Learner's definition of SPIFF
spiff up
[phrasal verb] spiff (someone or something) up or spiff up (someone or something) US, informal
: to make (someone or something) neater or more attractive把…打扮得更漂亮；使…更整洁 -
She wants to spiff up her wardrobe.她想把衣橱收拾得更整洁些。
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A fresh coat of paint would really spiff the place up.重新刷一下漆，这个地方就会更漂亮了。
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The company is trying to spiff up [=improve] its image.公司在努力提升自身形象。