dà​kāi​yǎn​jiè

to broaden one's horizons

大开眼界 大開眼界 dà​kāi//yǎn​jiè
to broaden one's horizons verb + noun
to significantly increase one's knowledge or broaden one's outlook, especially through new experiences

The past 7 months have been really eye-opening for me.

Frequency

Movie subtitles
2.06 per million appears in 1% of films
Written text
1.38 per million

Sources