obstacle /'ɒbstək(ə)l/ n. 障碍;阻碍;绊脚石
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例句/词组:
A lack of qualifications can be a major obstacle to finding a job.
学力不足可能成为谋职的主要障碍。
英语解释:
~ (to sth / to doing sth) a situation, an event, etc. that makes it difficult for you to do or achieve sth 障碍;阻碍;绊脚石