must-see

(humorous) Tom’s washing the dishes—I must be seeing things!

汤姆在洗碗——肯定是看花！

We must see the reverse as well as the obverse side of things.

"们既要看的正面,也要看的反面。"

We must see that there is no gap in our defence.

们必须确保们的防御没有漏洞。

The government must be seen to be whiter than white.

政府必须让自己看上去公正廉洁。