PHRASAL VERB 沒有考慮到…;沒把…算在内 If you say that you had reckoned without something, you mean that you had not expected it and so were not prepared for it. 沒有考慮到…;沒把…算在内
I thought that it would take only a day of hard driving to reach Chengdu. But I had reckoned without the landslides. [VERBPREP. noun]