困难的
difficult；hard
例句
我发现学外语是困难的。I find it difficult to learn a foreign language.
他们发现掌握一门外语是困难的。They find it hard to master a foreign language.
关于生气或困难的逃避。An avoidance of danger or difficulty.
盖房子受到法律和各种困难的限制。Building a house is hedged about with laws and difficulties.
他总是乐于帮助那些有困难的人。He is always ready to help those in trouble.