爱屋及乌：
Love me, love my dog.
比上不足比下有余：
Worse off than some, better off than many； to fall short of the best, but be better than the worst.
笨鸟先飞：
A slow sparrow should make an early start.
熟能生巧：
Practice makes perfect.
罗马不是一天建成的：
Rome was not built in a day.
失败是成功之母：
Failure is the mother of success.
说起来容易做起来难：
Easier said than done.
时间就是金钱：
Time is money.
永不言败：
Never say die.
不经历风雨，怎么见彩虹：
No cross, no crown.
旧瓶装新酒：
New wine in old bottles.
亡羊补牢，为时未晚：
Never too old to learn, never too late to turn.
没有不长草的园子：
No garden without its weeds.
万事开头难：
All beginnings are hard.
知识就是力量：
Knowledge is power.
这些谚语涵盖了不同的主题和情境，既有关于个人品质和努力的，也有关于成功和失败的，还有关于时间和努力的。希望这些谚语能帮助你在单招考试中取得好成绩。