Chinese phrase
效果能维持多久？ xiào guǒ néng wéi chí duō jiǔ
Meaning
How long does the effect last?
When to use it
It asks how long an effect will continue. It is a neutral question used for medicine, products, or actions whose results may last for a certain time.
Example dialogue
这种止痛药效果能维持多久？ zhè zhǒng zhǐ tòng yào xiào guǒ néng wéi chí duō jiǔ
How long does the effect of this painkiller last?
一般能维持四到六个小时，饭后效果会更好。 yì bān néng wéi chí sì dào liù gè xiǎo shí fàn hòu xiào guǒ huì gèng hǎo
It usually lasts four to six hours, and it works better after a meal.