Short for 味付け玉子 (aji-tsuke tamago).

pool (billiards) parlor

(mythology) Princess Otohime's casket to Urashima Tarō

(figuratively) thing that must be handled with care; Pandora's box / (figuratively) box of luxury

Beading and flying away. / (literary) Referring to the glistening of a blade.

boiled egg

"the head lowers", describing a display of respect.

soul, spirit / vigor/vigour, willpower

to spread / wide

broaden / extend / expand / enlarge