A door entirely or mainly made of glass, a glass door.

(literally, transitive with à) to open the door to someone / (figuratively, transitive with à) to open the door to something

(informal, figuratively, transitive with à) to show someone out; to show someone the door; to give someone the sack

to be locked out (of a building)

(transitive) to kick out, to boot out / (transitive, figuratively) to give someone the boot, to fire someone (to terminate the employment of)

a set of double doors

(figuratively) to put one's own house in order first, to clean up one's own backyard first (before criticising other people)

Alternative form of enfoncer des portes ouvertes

sleep on it! (it's better to examine things in the cold light of day)

(figuratively) to look at things in a solipsistic manner, to be wrapped up in oneself