complex (not simple or straightforward)

configuration, structure, construct, constitution

Kyūjitai form of 複雑 (complex)

employee benefits

向性: extroversion or introversion / 恒性: constancy / 皇婿: prince consort / 鋼製: made of steel

compose; constitute / configure

rough, crude, sloppy, messy / miscellaneous (see note)

hardness, the quality of being hard or stiff / (of a person) rigidness, obstinance, being resistant to heeding the opinions of others

nocturnality

(astronomy) a fixed star: a star that does not appear to move relative to other celestial objects