B 开头单词
be fully aware that 完全意識到
be fully aware of 充分意識到 充分了解到
be fully aware 明知；知情
be full of wit 情趣橫溢
be full of resource 足智多謀
be full of life 生氣勃勃
be full of enthusiasm about 熱衷於
be full of conceit 自高自大
be full of 充滿
be full 飽足 滿的
be frightened of 害怕；對…感到恐懼
be frightened at 對…大喫一驚
be frightened almost to death 嚇得要死
be frightened 嚇得要命；受驚嚇；恐懼
be friends with 對…友好；與…交友
be friendly with 對……友好；和某人友好相処
be friendly to 對…友好/友善
be fretful 生氣
be fresh out of 供應完畢 快精疲力盡了（非正式）