look blue   (TTS發音)

1. look unhappy；look disheartened or dejected愁眉不展；沮喪

    She looks blue all day. 她整日愁眉不展。

    The banker looked blue when he read of the decline in stocks. 那位銀行家讀到股票下跌的新聞時，神情十分沮喪。

    You are looking blue， what's the matter？你愁眉苦臉，出了什麼事啦？

2. have no hope無希望

    Things look blue. 事情沒有希望了。