Tā tángtángzhèngzhèng de zǒujìn fǎtíng, háobù huāngzhāng.
He walked into the courtroom with dignity and composure, without any panic.
Tips
usage
堂堂正正 emphasizes both bearing (堂堂 = imposing, dignified) and moral uprightness (正正 = proper, correct). It can describe a person's character or their manner of doing something. It can also carry a military sense of displaying strength and discipline.
