easier said than done (easy to propose, but difficult to accomplish)

dentofacial

face-to-face interview / head-on collision

(informal) to be quick on the trigger, to be trigger-happy

(figuratively) to save face

(figuratively) to lose face

(literally) the hidden side of a celestial body / (figuratively) the hidden side, the hidden face (of something); the dark side (of something)

(informal, figuratively) not to see something which is obvious, right under one's nose; to be dim-sighted because one is hungover and half-asleep; to be bleary-eyed

(offensive, derogatory, informal) ratface

(vulgar) in your face! (an exclamation that a bad thing happened to someone who deserved it)