owl  貓頭鷹	1. fly with the owl  慣於在夜間活動
	2. night owl  夜貓子；常熬夜者；夜鶯
	3. as wise as an owl  很有智慧
	4. as serious as an owl  一本正經
	5. as drunk as a boiled owl  爛醉如泥
	6. To take owls to Athens is to take coals to Newcastle.  多此一舉
	7. take the owl  生氣
	8. owl- light  薄暮；黃昏
	9. owl- eyed  吃驚時的表情
ostrich  鴕鳥	1. play ostrich  有鴕鳥心態
	2. ostrich policy  鴕鳥政策
	3. ostrich belief  自欺欺人的想法
	4. pull a few ostrich heads out of the sand  讓一些人面對現實
	5. have a stomach like an ostrich  胃腸很好；什麼都能消化
oyster  牡蠣	1. as close as an oyster  口風很緊
	2. The world is your oyster.  你可以隨心所欲；世界由你主宰
	3. the world's my oyster  人生最得意的時刻
ox  牛	1. black ox  年紀老；惡運當頭