blossom          
 verb [ I ] uk/ˈblɒs.əm/ us/ˈblɑː.səm/
 (植物)开花
When a tree or plant blossoms, it produces flowers before producing fruit that can be eaten.
  The cherry tree is beginning to blossom. 樱桃树开始开花了。 
  (人)变得更有魅力(或更成功、更自信);(好的感觉或关系)深入发展,增强
When people blossom, they become more attractive, successful, or confident, and when good feelings or relationships blossom, they develop and become stronger.
  She has really blossomed recently. 她近来确实容光焕发。 
 She is suddenly blossoming into a very attractive woman. 她突然出落成了一位很有魅力的女子。 
 Sean and Sarah's friendship blossomed into love. 肖恩和萨拉之间的友谊发展成了爱情。 
 blossom       
noun [ C or U ] uk/ˈblɒs.əm/ us/ˈblɑː.səm/
 花朵;花簇
a small flower, or the small flowers on a tree or plant
  apple/cherry blossom 苹果花/樱花 
 Idiom  
be in blossomidiom  在开花
to have flowers growing