[译] 请问我解释你为什么迟到。
[误] Please explain me why you were late.

[正] Please explain to me why you were late.
[注] explain 是及物动词，但它的宾语应该是解释的内容，所以表示“向某人解释某事”，应该说 explain to sb. sth. 或 explain sth. to sb.。