Time and tide are wait for no man.
[taɪm ənd taɪd weɪt fɔːr noʊ mæn] 岁月不饶人
Who knows most says least. Time and tide wait for no man.
There is no end to learning. [ðer ɪz noʊ end tu ˈlɜːrnɪŋ] 学无止境。
My motto is: there is no royal road to size, there is no end to learning work boat.
strike while the iron is hot[straɪk waɪl ðə ˈaɪərn ɪz hɑːt] 趁热打铁
If you want to get a higher degree, you should strike while the iron is hot.
don't judge a book by its cover[doʊnt dʒʌdʒ ə bʊk baɪ ɪts ˈkʌvər] 勿以貌取人
So, you see, don't ever judge a book by its cover, for a cover can fool you.所以，你瞧，永远不要以貌取人，因为外貌会让你上当的。Do not bit off more than you can chew.
[duː nɑːt bɪt ɔːf mɔːr ðæn jə kæn tʃuː]贪多嚼不烂
I have bitten off more than I can chew by taking on this extra work – I don't think I'll get it finished on time.我自不量力，承担这项额外的工作，我想我不会按时完成的。爱屋及乌
Love me love my dog. When we communicate with people we tend to tell people a lot about out families and family members. We like to share with people the happiness and joys.爱屋及乌，当我们与人交谈时后，往往经常谈及我们的家庭及家人，我们愿意和别人分享我们的幸福和欢乐。
every cloud has a silver lining [ˈevri klaʊd həz ə ˈsɪlvər ˈlaɪnɪŋ] 守得云开见月明
Oh well, every cloud has a silver lining. I may not be so well off now, but I'll have more time to enjoy my family.噢，黑暗中总有一线光明，虽然我现在可能没那么富裕了，但我会有更多的时间享受天伦之乐。
Birds of a feather flock together [bɜːrdz əv ə ˈtiːtʃər flɑːk təˈɡeðər]物以类聚，人以群分。
例句：
Birds of a feather flock together. Those skinheads are always hanging around together in the street.物以类聚，人以群分。那些光头仔总是一起在街上闲荡。
有其父必有其子
Like father, like son, Jim enjoys hunting just like his father.
眼见为实
I can hardly believe we are in Paris, but there's the Eiffel tower, and seeing is believing.我简直不相信我们已到了巴黎，但眼见为实，埃菲尔铁塔在面前。