形容詞 face-to-face:

1. in each other's presence

副詞 face-to-face:

1. within each other's presence
2. directly facing each other
   同義詞：opposite
3. involving close contact; confronting each other
   同義詞：face to face

face-to-face

adj.（形容詞）
Being in the presence of another; facing:
面對(duì)面：在其它人面前；面對(duì)：
例句：
a face-to-face discussion.
面對(duì)面討論

adv.also （副詞） also
face to face
In person; directly:
親自；直接的：
例句：
would rather talk face-to-face than negotiate over the telephone.
寧愿親自討論也不愿在電話中洽談