九分九厘{くぶ くりん}almost certainly due to climatic conditions: 《be ~》ほとんど間違いなく気候条件{きこう じょうけん}が原因{げんいん}だcertainly: certainly adv. 確かに, 確実に.【副詞】He was almost certainly lying when he said that.彼がそう言ったときはまず間違いなくうそをついていたmost certainly絶対に間違いなくI most certainly will not go to his wedding.彼の結婚式にはまず確実に出席しません“I don't thincertainly not: それは駄目{だめ}だ、とんでもない