“disadvantage”是名词，意为“不利条件；劣势；缺点”。其常见用法包括：作主语、宾语；用于“have/gain/suffer a disadvantage”等结构中；与介词搭配使用。
“disadvantage”主要指在某方面与他人相比处于不利地位的状况，或者事物本身存在的缺陷、不足之处。例如：Living in a remote area can be a disadvantage when it comes to finding a good job.（在找工作方面，住在偏远地区可能是一个不利因素。）这里“disadvantage”就体现了在找工作这个情境下，住在偏远地区这一状况带来的不利。
作主语
“The disadvantage of living in a big city is the high cost of living.”（住在大城市的缺点是生活成本高。）在这个句子中，“disadvantage”作主语，陈述了住在大城市这一情况所带来的负面方面。
作宾语
“We should try to overcome our disadvantages.”（我们应该努力克服我们的缺点。）“disadvantages”在这里作“overcome”（克服）的宾语，表明克服的对象是缺点。
用于固定结构
“have/gain/suffer a disadvantage”
“He has a disadvantage because he didn't receive a good education.”（他因为没接受良好的教育而处于劣势。）“has a disadvantage”表示处于劣势的状态。
“She gained a disadvantage in the competition due to her lack of experience.”（由于缺乏经验，她在比赛中处于劣势。）“gained a disadvantage”体现了在比赛中获得不利地位这一结果。
“The team suffered a disadvantage when their key player got injured.”（当球队的主力球员受伤时，球队处于劣势。）“suffered a disadvantage”说明球队遭遇了不利状况。
与介词搭配
“at a disadvantage”
“In this job interview, she was at a disadvantage because she didn't know much about the company.”（在这次求职面试中，她处于不利地位，因为她对公司了解不多。）“at a disadvantage”是一个固定短语，表示处于不利、劣势的境地。