complex adj.
VERBS be, look, seem, sound | become
ADV. enormously, especially, exceedingly, exceptionally, extraordinarily, extremely, highly, hugely, immensely, incredibly, infinitely, particularly, very This is a highly complex matter. | increasingly | fairly, quite, rather, relatively, somewhat | surprisingly | unnecessarily | technically technically complex surgery
complex noun
1 set of buildings
ADJ. huge, large, vast | conference, entertainment, factory, holiday, hospital, housing, industrial, leisure, museum, office, shopping, sports
VERB + COMPLEX build
2 mental/emotional problem
ADJ. real, terrible | inferiority, superiority | castration, guilt, Oedipus, persecution
VERB + COMPLEX have, suffer from | develop, get Don't keep on at him about his handwriting or he'll get a complex. | give sb
PREP. ~ about She has a complex about her big ears.
You can also check other dicts: complex (English, 中文解释 ), wordnet sense, Collins Definition