◎ 理亏心虚 lǐkuī-xīnxū[feel apprehensive because one is not on solid ground; be not on solid ground; have a guility conscience because justice is not on one's side] 因理由不充分而担心
◎ 理直气壮 lǐzhí-qìzhuàng[be in the right and selfconfident;be self-confident on the strength of one's being right;justly and forcefully; speak with compelling argument] 理由充分,言行因而有气势 只要我们理直气壮,怕他怎的!-----------------国语辞典：理由正大、充分，则气盛而无所畏惧。《官场现形记．第一七回》：「只要我们理直气壮，怕他怎的？」《文明小史．第一○回》：「办捐一事，我是理直气壮的，小小百姓，胆敢违旨抗官？」也作「气壮理直」。近义正词严反理屈词穷