ten o'clock
`` Can you trust Bates ? '' he said to Grant . It was a wholly unexpected question , and Grant answered sharply : `` Of course , I can . '' `` Tell him to make sure that no one trespasses on your lawn between now and ten o'clock . Close that window , draw the blind and curtains , and block that small window , the one through which you saw the ghost . '' `` Ye gods ! '' cackled Hart ecstatically .