tierno in English:

This beef is tender.

She has a tender heart.

My father was no less affectionate and tender to me than my mother was.

Would God, I were the tender apple blossom, That floats and falls from off the twisted bough, To lie and faint within your silken bosom, Within your silken bosom as that does now.

My breasts are tender.

The rough material hurt the child's tender skin.

Old cows eat tender grass.

The petals of this rose are very tender.

He is at once strict and tender.

He seems to be bankrupt of all tender feeling.

She is a tender girl of questionable morals.

I hereby tender my resignation.

Nothing seems so tender to me as an old couple walking down the street holding hands.

His voice was full of tender concern.

Yukiko is an innocent girl of tender years.