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weakness
a weak point in a system, sb's character, etc.
(系统、性格等的)弱点,缺点,不足
It's important to know your own strengths and weaknesses.
了解自己的优缺点很重要。
Can you spot the weakness in her argument?
你能指出她论点中的不足之处吗？
stumble
stumble over sth
stumble on sth
to hit your foot against sth while you are walking or running and almost fall
绊脚
同义词：trip
The child stumbled and fell.
孩子绊了一下,摔倒了。
I stumbled over a rock.
我在石头上绊了一下。
fail in sth
to not be successful in achieving sth
失败；未能(做到)
I failed in my attempt to persuade her.
我未能说服她。
Many diets fail because they are boring.
许多规定饮食因单调乏味都不奏效。
a failing school
一所失败的学校
