xiǎn​xiào

take effect

显效 (顯效) xiǎn​xiào
take effect verb
to show or produce a noticeable effect

This new drug will take effect soon after being taken.

visible effect verb
a conspicuous or significant result

We observed significant effects in the early stages of treatment.

Frequency

Written text
3.85 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)