xiào​lì HSK7

serve

效力 xiào​lì
serve verb
to serve in some capacity or render service to a cause or person

He is willing to serve his country.

effectiveness noun
effectiveness, positive effect, or legal force

The law takes legal effect from the date of its promulgation.

Frequency

Movie subtitles
6.77 per million appears in 3% of films

Details

HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT
Frequency data
SUBTLEX-CH