туга v angličtině:

He hid his sadness behind a smile.

Her eyes were full of sadness.

Those who do not know the sadness of love may not speak of it.

She sensed Beth's deep sadness.

I felt a terrible sadness

I could see deep sadness in her eyes.

Mohandas was filled with sadness

Her face reflects disgust and sadness, rather than anger.

Chris could not conceal his sadness when he heard that Beth had been unable to find his valuable watch.

This shows that happiness and sadness are only separated by attitude.

I'm drowning in sadness falling far behind.

But, knowing precisely sadness and love and death, and that they are vain images when we observe them from the calm space where we should shut ourselves in, he kept on weeping, and desiring love, and fearing death.