look serious and severe; speak in earnest and look serious in one's attitude; put on a stern countenance; sedate and grave; with a severe countenance; with a stern look
疾言厉色 look fierce and talk boisterously; brusque; harsh words and stern looks; stern-faced; speak gruffly with a stern countenance; sudden outpourings and fierce looks; with a severe countenance and a harsh voice 他对同志从不疾言厉色。 he is never brusque with his comrades