be in the right and self-confident; a reasonable man is bold and straightforward.; be bold and straight; be courageous with sufficient reason(s); be justified and confident; be self-confident on the strength of one's righteousness; be upright and honest; justly and forceful; in bold and straightforward terms; one is audacious with logical reasons.; righteous indignation; self-confident on the strength of one's being right; strong reasons make strong actions.; when one is right, his purpose is firm.; (speak) with compelling arguments and confidence; with justice on one's side, one is bold and assured 短语和例子 理直气壮地回答 reply confidently; 说话理直气壮 speak with great confidence