gǔ​dǐ

all-time low

谷底 gǔ​dǐ
all-time low place word
the lowest point or most unsuccessful period in a process or state

The company's stock price has hit an all-time low.

valley floor place word
the bottom surface of a valley or canyon

The expedition descended to the valley floor along the steep slope.

Frequency

Movie subtitles
1.61 per million appears in 1% of films

Sources

Definitions
CC-CEDICT
Frequency data
SUBTLEX-CH