びびるビビるto feel nervous; to feel afraid; to feel self-conscious; to lose one's nerve; to get cold feet; to get the jittersびびりビビりまくるto be extremely nervous/afraidびびりビビりたおす倒すto be completely frightenedびびっているビビっているto be feeling nervous/scaredきゅうに急にびびるビビるto be startled suddenlyひとまえ人前でびびるビビるto feel shy in front of othersぷれぜんプレゼンでびびるビビるto get nervous during a presentationびびらせるビビらせるto startle someoneびびるビビることはないthere's no need to be nervousなんかびびるビビるto feel uneasy about somethingおさない幼いころ頃はびびっていたビビっていたused to be shy/afraid when I was young