Mid-autumn Festival is a traditional festival for family unification.
中秋节是家人团聚的传统节日。
His bad English is a bar to his getting a job.
他的英语很差,这是他找工作的一个障碍。
It was not forced upon them by the survival competition; they could have caught and lived on prey without using poison, just as the thousands of non-poisonous snakes still do.