Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
I must apologize for his unusual behavior.
我必须为他怪诞的行为致歉。
Then, her composure regained, she was ready to set off with the porter's assistance to search for nay intruders who might still be lurking in her flat.