1. In order to indicate a direct object, you can transitivize the intransitive verb.
为了表示直接宾语，你可以使不及物动词变为及物动词。
2. The linguist proposed to transitivize the verb "run" by adding the suffix "-er".
语言学家建议通过添加后缀“-er”将动词“run”变为及物动词。