The adverb 频频 "often"
The adverb 频频 
indicates that an action or a situation repeats for a certain period of time.
频频 is placed before a predicate, which is expressed by a verb or a verb phrase.
indicates that an action or a situation repeats for a certain period of time.
频频 is placed before a predicate, which is expressed by a verb or a verb phrase.Examples
我频频在39路公车上看到那个男子
I often see this man on bus № 39
wǒ pínpín zài 39 lù gōngchē shàng kàndào nà ge nánzi
因为过敏和疲劳，早晨我频频感到肠绞痛
I often have cramps because of allergies and fatigue in the morning
yīnwéi guòmǐn hé píláo, zǎochén wǒ pínpín gǎndào chángjiǎotòng
气氛十分热烈，大家频频举杯，说笑不停，非常高兴
The atmospere was warm. Everyone often made toasts, talked, and laughed. They were very happy
qìfēn shífēn rèliè, dàjiā pínpín jǔ bēi, shuōxiào bù tíng, fēicháng gāoxìng
Learn more