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difficulty in learning difficulty to learn difficulties learned difficulties to learn
face them bravely and try to overcome them. neglect them and come up with a new goal. be unwilling to admit there are some difficulties. worry about them and feel discouraged or frustrated.
many difficulties many difficulty much difficulties much difficulty
try to master the value all at once enjoy them while doing other things in order to get some satisfaction expect great difficulties and give up when it is too hard to understand them be aware of its difficulties and enjoy them with full attention
difficulty in learning difficulty to learn difficulties learned difficulties to learn
He is depressed because of the ignorance of scientists. He is doubtful because of the enormous difficulties in scientific research. He is confident though he is aware of the enormous difficulties in scientific research. He is delighted because of the illuminating scientific findings.
no difficulties to find some difficulties in finding no difficulty to find no difficulty in finding
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