I have no idea what they're going to say, so I'll have to play it by ear.
我一點不知道他們將會說些什么,所以我只好見機行事。
Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.
是的,因此在地板牢固前,我們必須防止人們從地板上行走。可能還需要豎一個布告牌,寫上“不得踐踏”。還有,我們必須在墻上鉆一個電線孔。