4.施工當日，垃圾、穢物必須自行清理乾淨，否則工地代雇工後，罰款二倍扣

4.施工當日，垃圾、穢物必須自行清理乾淨，否則工地代雇工後，罰款二倍扣回。

結果 (英文) 1:

4. On the day of construction, garbage and filth must be cleaned up by yourself, otherwise the fine will be doubled back after the construction site is hired.

結果 (英文) 2:

4. On the day of construction, garbage and filth must be cleaned up on their own, otherwise the fine will be twice as high after the construction site hires.

結果 (英文) 3:

4. On the day of construction, the garbage and filth must be cleaned up by oneself, otherwise, the fine will be deducted twice after the construction site hires workers on behalf of others.