心潮澎湃

xīncháopéngpài
to be overwhelmed by emotions

CEDICT

to feel an upsurge of emotion

Wiktionary

Entry Composition

1 心潮 xīncháo tidal surge of emotion; surging thoughts and emotions
2 澎湃 péngpài
  1. (of the sea etc) surging; tempestuous
  2. (fig.) highly emotional; fervent