1. tough
You're tough.
He won't be easily discouraged, because he's a tough guy.
He seems like a softy on the surface, but at the core he's got an iron will that makes him an extremely tough negotiator.
The heart itself is nothing more nor less than a large, tough, leather-like muscle.
It must be nice having someone who sticks around even when times get tough.
1. A customs officer was asking him lots of tough questions. / 2. Tough luck!
Whoo! Today's practice is tough - much harder than usual.
After having spent so much money on Christmas gifts, she found herself in a tough spot.
You should invest a little bit of your income into your career in these tough economic times.
No sooner had we finished working on one tough problem than the president sent us yet another straight from the top.
I'm sure it's tough taking part in the activities of two clubs, but good luck!
Work on the boat is tough but I can't see myself in any other profession.
The surgeon remarked that his patient was tough and that he should make a full recovery with no aftereffects.
It was a tough job. They asked some tough questions. Recently she’s had a tough time. It’s tough being married to a cop.
Earth we're finding that life in very primitive form exists in the most extreme environments, these are the so called 'extremophiles' that exist at the bottom of the oceans... So life is much, much tougher.
2. tender
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.