He can usually work out how to solve a problem.
Resourceful
Whatever part of a job he's doing, he does it with great attention to detail.
Thorough
My niece gets very good marks in all her subjects. She is...
bright
She is honest and open and says what she thinks.
straightforward
Once she's decided to do something, nothing can stop her.
Determined
He never needs anyone's help.
Self-sufficient.
She worked all weekend to make sure that everything is done.
Conscientious
He can suddenly decide to go to Paris in the morning and in the evening he's there!
Spontaneous
I had a boyfriend once. He liked making comments that made anyone feel small.
Sarcastic
He never called me once last week when I was very ill. He isn't very...
sympathetic
Her boyfriend is sensible and reliable. He's...
steady
My sister never gets angry: she is kind and calm.
Gentle
He is determined to be successful, rich and famous.
Ambitious
She is always worried about something.
Anxious.
The student always shows good manners and respect for other people.
Well-behaved
Careful to avoid problems or danger.
Cautious
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She is unfriendly and she never shows her emotions.
a cold fish
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He can never say 'no' to other people and readily gives whenever he's asked. He is often taken advantage of.
a soft touch
Use an idiom:
He thinks he is the most important member of the family.
full of himself
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He expets the rest of us to do everything.
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He gets angry very easily.
a very quick temper
Use an idiom:
She is very sensible and practical.
down to earth
Use an idiom:
My sister's so annyoing. She's always taking my things.
a real pain in the neck
Use an idiom:
He's great at telling jokes and making people laugh.
the life and soul of the party
Use an idiom:
He's the gentlest person I know.
wouldn't hurt a fly