- 周 adjectivethorough(bound form) thorough; complete; attentive; thoughtful
- 而 conjunctionbutUsed to connect ideas that contrast or conflict; yet; but; on the other hand
- 不 adverbnotNegative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
- to collude(literary) To associate with; to be partisan; to collude for a selfish purpose.