和face to face 差不多的词组

heart to heart 诚恳地
neck and neck 并驾齐驱
eyeball to eyeball 面对面
shoullder to shoullder 肩并肩
from mouth to mouth 广泛流传

再补充两个：
hand to hand a. 逼近的(一个个传过去的)
hand in hand n. 手拉手地(联合起来,相随)

mouth to mouth ;
side by side