I 開頭單詞

in flight 在飛行中；飛行狀態(tài)

in flesh 肥胖

in flames

in fine 最后；總而言之

in file 依次；魚貫；成二列縱隊

in fieri

in field 入射場

in fertilized egg [生物學]受精卵的卵裂

in fear of 怕；為…提心吊膽

in fear and trembling 非?？謶?；提心吊膽

in fear 害怕

in favour with

in favour of the setters [經濟學]以賣方為受益人

in favour of 支持，贊成

in favour 贊成；支持；有利于

in favor with 得…寵愛；受…鼓勵

in favor of 有利于；支持；贊同

in favor 有利于；被喜愛的

in fault 有過錯

in fashion 合于時尚，流行