她的声音中有一丝愤怒。

There was ___a ___hint ___of anger in her voice.

天空阴沉多云，空气中有一丝细雨。

The sky was leaden and overcast and there was ___a ___hint ___of drizzle in the air.

当他听到这个消息时，他表现出了一丝失望。

He showed ___a ___hint ___of disappointment when he heard the news.