Christmas tree (a tree used during the Christmas holiday season)

Christmas cake / (figuratively, humorous) unmarried woman above the age of 25, seen as no longer desirable.

Christmas present (present given or received at Christmas time)

past of 歌ってみる (utatte miru, “to try to sing”): tried to sing

utattemita, a class of music where 歌(うた)い手(て) (utaite, “amateur singers”) cover songs

for a while, for a period of time

a while, a period of time

(figuratively, uncommon, possibly archaic) describes a state of having few visitors, of being lonesome, desolate, or unpopular, especially in business

mischievous

warlike, bellicose