1.Makers are to give reply to confirmation comments or give explanation for failure of it within three days.
厂家必须对确认意见在三天内作出答复，如有困难，也必须在期限内说明。
2.Arrive upon the scene to give explanation when inspecting works, and sign or seal the work inspection documents.
五查验工程时到场说明，并于工程查验文件签名或盖章。
3.I planned to give explanation to my girl later.
我想，事后再和女友解释也来得及。