He sent me a few messages, but I haven't replied yet as I don't know what to say.

他给我发了几条短信，但我还没有回复，因为我不知道该说什么。

youdao

"The master is at home today," the lad replied, "however, he is napping in the cottage and has not yet awakened."

童子曰：“今日先生虽在家，但今在草堂上昼寝未醒。”

youdao

He has not yet replied to my question.

他还没有回答我的问题。

youdao