- 正中下怀 zhèngzhòngxiàhuái to be just what one wantsto happen exactly as one wishes; to suit one's intentions perfectly.
- 正中央 zhèngzhōngyāng centercenter; the very middle; midpoint
- 正中要害 zhèngzhòngyàohài to hit the nail on the head(idiom) to hit the mark; to strike a person where it hurts; to get to the heart of the matter