zhòng​tóuchóng​tóu

heavy part

重头 重頭 zhòng​tóu
heavy part
The heavier end of an object or the most important part of something
important
Significant; of vital importance; of great value (often used to modify nouns like person or drama)
重头 重頭 chóng​tóu
from the beginning
Starting over anew or from the start; in poetry and song, refers to the repetition of a melody or rhythm.

Frequency

Movie subtitles
1.76 per million appears in 1% of films

Sources

Frequency data
SUBTLEX-CH