Definition: very serious and without any humour Level: C2
他父亲严肃的表情让每个人都紧张。
His father's ___stern expression made everyone nervous.
这份报告受到了专家的严厉批评。
The report received ___stern criticism from experts.
他严厉地瞪了他妹妹莎拉一眼，但这并没有阻止她恶意地咧嘴笑。
He shot his sister Sarah a ___stern look which did not deter her from grinning maliciously.
