nose to nose
adv.
面对面
heart to heart
adv.
诚恳地, 贴心地
eyeball to eyeball [口]面对面, 相持不下, 对峙
face to face
adv.
面对面地
arm in arm
adv.
臂挽臂
back to back
n.
背对背, 紧接
neck and neck
adj., adv.
并排的（地）,并驾齐驱的（地）
hand in hand
adv.
手拉手, 联合
shoulder to shoulder
adv.
肩并肩地, 齐心协力地
from mouth to mouth
adv.
广泛流传