充電器: electrical charger

specific gravity / relative importance

(slang) a person not fulfilled in real life

in the future, later, a later day, another day / after the occurrence of some event, etc

後日: in the future, later, a later day, another day; after the occurrence of some event, etc / 期日: an expected or promised day

rare word, unusual word

The hiragana syllable ひ (hi). Its equivalent in katakana is ヒ (hi). It is the twenty-seventh syllable in the gojūon order; its position is は行い段 (ha-gyō i-dan, “row ha, section i”).

(emphatic, before an adjective, non-productive) indeed, truly

(onomatopoeia) A shriek, as when recoiling in fear or disgust.

手の平, 掌: palm (inner, concave part of hand)