ブラウザの設定でJava Scriptの使用を有効にしてご利用ください。
work [drive] somebody hard
sweat 《one's employees》
have somebody at one's beck and call (あごで使う)
読み方:こきつかう
扱き使う、扱使う とも書く
読み方 こきつかう
To work (one) hard; to drive (one) hard; to put one's nose to the grindstone
こきつかう