yǔ guò tiān qíng
sky clears after rain
new hopes after a disastrous period (idiom); every cloud has a silver lining (idiom); see also 雨過天青|雨过天青[yu3 guo4 tian1 qing1]
雨
yǔ
rain
过
guò
to cross
天
tiān
day
晴
qíng
clear