词语

词正理直言词严正理由充足。

理直气壮理由充分言行因而有气势。例只要我们理直气壮，怕他怎的！英be in the right and selfconfident; be self-confident on the strength of one's being right; justly and forcefully; speak with compelling argument;

气壮理直谓理由充分说话有气势。