solemn and just; serious and principled;stern 發(fā)表～聲明issue a solemn statement;solemnly declare/向某人提出～抗議lodge a stern protest with sb against sth/提出～交涉make stern representations to sb on (an issue)/～警告serve a stern warning/～指出 solemnly point out;point out in all seriousness/～立場solemn and just stand (or position)