My wife and I helped from the sidelines by keeping them supplied with painting materials, offering our suggestions and encouragement, and refuelling them with snacks and drinks as necessary. The whole family pitched in, and we were busy for three full days!
內人和我從旁幫助他們，或遞送顏料，或提供意見供他們參考，甚至適時地給他們加油﹘﹘補足甜點和飲料，全家動員，前後努力了三天，真是忙得不亦樂乎！