limitations
The limitation of something is the act or process of controlling or reducing it.
All the talk had been about the limitation of nuclear weapons.
整个会谈都是关于限制核武器的。
A limitation on something is a rule or decision which prevents that thing from growing or extending beyond certain limits.
a limitation on the tax deductions for people who make more than $100,000 a year.
对年收入高于10万美元者在减税上的限制。
If you talk about the limitations of someone or something, you mean that they can only do some things and not others, or cannot do something very well.
I realized how possible it was to overcome your limitations, to achieve well beyond what you believe yourself capable of.
我意识到完全有可能克服自身的局限,取得自认为遥不可及的成就。
A limitation is a fact or situation that allows only some actions and makes others impossible.
This drug has one important limitation. Its effects only last six hours.
这种药物有一个很大的限制因素,其药效只能持续6个小时。