not valid; ineffective; in vain

marked effect; strong effect; (cinema, photography, apps etc) special effects; (esp. in apps) filters

to show results; to be effective

to fail; to lose effectiveness

(of a law, contract, agreement, ban etc) to come into force; to go into effect; to become operative

medicinal effect

efficient; highly effective

efficacy

(of a medicine, poison, strategy, action etc) to begin to produce its effect; to start working

effect; result

sound effect

to produce the intended effect; to achieve the desired result

healing efficacy; healing effect

variant of 傚|效[xiao4]

human resource efficiency (abbr. for 人力資源效能|人力资源效能[ren2 li4 zi1 yuan2 xiao4 neng2])

to copy; to imitate

inefficient; ineffective

animation effect

after-effect

sound effect

wondrous effect; marvelous efficacy

actual effect; practical result; efficacy

render service to repay kindness

to yield results

timeliness; period of viability or validity; (law) prescription; limitation; (metallurgy) aging

to show an effect; to produce an effect; a conspicuous effect

equivalent; equal in effect

performance; results; achievement

synergy

effectiveness of fertilizer

energy efficiency

visual effect (abbr. for 視覺效果|视觉效果[shi4 jue2 xiao4 guo3])

quick results; fast-acting

to be effective over an extended period

lighting effect

subordinates follow the example of their superiors (idiom)

to strive to get sth done while the timing is right

laughable low-budget special effects

highly effective; fruitful

top-notch efficiency

cost-effective

to be effective (idiom)

(law) period during which one can prosecute or sue sb (as stipulated by a statute of limitations)