to gain momentum or progress faster
获得动力或更快地进展 (huò dé dòng lì huò gèng kuài dì jìn zhǎn)
"Sales have picked up speed since the new campaign launched."
"自新活动启动以来，销售额已经加速。" (Zì xīn huódòng qǐdòng yǐlái, xiāoshòu é yǐjīng **jiāsù**.)
to make or maintain contact with someone
to burst into laughter; to laugh uncontrollably
to successfully complete or pass something; to finish
to smile widely because of happiness or pride
to eat only small amounts of food without interest
to become extinct gradually; to disappear slowly
