His smile died and the look in his face hardened.
他的微笑消失了，脸上的表情突然显得严峻。
《柯林斯英汉双解大词典》
His face hardened when talked about the battle.
在谈到那次战斗时，他的表情严峻起来。
youdao
应用推荐
模块上移
模块下移
不移动