A bad thing never dies.
遗臭万年.
A bully is always a coward.
色厉内荏.
A cat has 9 lives.
猫有九条命.
A fall into a pit, a gain in your wit.
吃一堑,长一智.
A good book is a good friend.
好书如挚友.
帮忙找5句英语谚语（10个单词以下的）
A bad thing never dies.
遗臭万年.
A bully is always a coward.
色厉内荏.
A cat has 9 lives.
猫有九条命.
A fall into a pit, a gain in your wit.
吃一堑,长一智.
A good book is a good friend.
好书如挚友.