TranslationTranslate the following sentences into Chinese.3. He watched very carefully till all had left the house, and it was difficult to catch him in the act.

TranslationTranslate the following sentences into Chinese.3. He watched very carefully till all had left the house, and it was difficult to catch him in the act.

他非常仔细地监视着，直到所有的人都离开了房子，很难当场抓住他。