Correct

喜从天降

/ xǐ cóng tiān jiàng /
Strokes

Definition

joy from heaven (idiom); overjoyed at unexpected good news/unlooked-for happy event

Example

Definition

good luck seems to have dropped from heaven―heaven-sent fortune; heavenly blessing; godsend

1
shīsàn
失散
duōnián
多年
de
jiějie
姐姐
rán
突然
huídào
回到
le
xiāng
故乡
  
,
zhēnshi
真是
cóngtiānjiàng
喜从天降
  

His sister who had been missing for many years came back to her homeland suddenly; it was an absolute godsend.