十二点半以前赶回去还吃得上饭: if we get back before twelve thirty we won't be too late for lunch
匆忙: hastily; in a hurry; in haste 短语和例子匆忙作出决定 make a hasty decision; 临行匆忙, 未能向你告别。 i left in such a hurry that i didn't have time to say good-bye to you. 我匆忙中忘了锁门。 in my haste i forgot to lock
匆忙地: hurriedlyin a hurry (=hastily)in a hurry(=hastily)