脑洞大开
Traditional form:
腦洞大開
Pinyin (reading):
nǎodòngdàkāi
Definitions:
- imaginative
- to have one's mind buzzing with ideas
Characters:
- 脑 - brain
- 洞 - cave, grotto, hole, ravine
- 大 - big, great, vast, high, deep
- 开 - to open; to start, to initiate, to begin
Traditional characters: