6. Frog

(1) The frog in the well knows nothing of the great ocean. 井底之蛙，不知大海。

7. Fox

(1) The fox may grow grey, but never good. 狐狸毛色可变灰，但是本性难移。

(2) The fox preys¹ farthest from his hole. 狐狸捕食，远离洞府。（兔子不吃窝边草。）

(3) When the fox preaches, then take care of your geese. 每当狐狸说教，当心鹅群被盗。

(4) When the fox says he is a vegetarian², it’s time for the hen to look out. 狐狸说它吃素的时候，母鸡就得注意。

8. Fish

(1) The best fish swim near the bottom. 好鱼常在水底游。

(2) Never offer to teach fish to swim. 不要班门弄斧。

(3) Go to the sea, if you would fish well. 不入虎穴，焉得虎子。

(4) There’s as good fish in the sea as ever came out of it. 海里的好鱼多的是。

(5) It is a silly fish that is caught twice with the same bait. 智者不上两次档。

(6) If water is noisy, there are no fish in it. 咆哮的水中无鱼。（夸夸其谈者无真才实学。）