(人)に訓練{くんれん}をするdrill a hole in someone's tooth: (人)の歯に穴を開けるdrill holes in someone's peepers: 穴の開くほど(人)をにらみつけるdrill into someone the importance of: (人)に~の大切{たいせつ}さ[重要性{じゅうようせい}]を教え込む[たたき込む]