Beauty is in the eye of the beholder.
情人眼里出西施。
It is never too old to learn.
活到老，学到老。
There is no royal road to learning.
书山有路勤为径,学海无涯苦作舟。
Lie down with dogs, wake up with fleas.
与狗同眠，醒来一身虱。
A bad beginning makes a bad ending.
恶其始者必恶其终。
Better the devil you know than the one you don't.
明枪易躲，暗箭难防。
If wishes were horses, beggars would ride.
如果愿望都能实现，乞丐早就发财了。
Don't talk the talk if you can't walk the walk.
不要说一套做一套。
A light heart lives long.
豁达者长寿;静以修身;心胸开朗,使人寿长;
Fortune favors the bold.
幸运眷顾勇敢者。
Two wrongs don't make a right.
两个错误不等于一个正确。
Champions are made when no one is watching.
十年寒窗无人问，一朝夺冠（夺魁）天下知。
The pen is mightier than the sword.
笔尖胜过干戈。
When the going gets tough, the tough get going.
遇到逆境，顽强者逆流而上;艰难之路，唯勇者行
People who live in glass houses should not throw stones.
自己住在玻璃屋，不要向别人扔石头。
Keep your friends close and your enemies closer.
亲近你的朋友，更要亲近你的敌人。
A picture is worth a thousand words.
一张图片胜过千言万语。
Never look a gift horse in the mouth.
别人送的马，不要看马齿。意思是不要挑剔得到的礼物。
If you're not part of the solution, you're part of the problem.
如果你不是解决方案的一部分，你就是问题的一部分。
Absence makes the heart grow fonder.
小别胜新婚; 距离产生美; 久别情更深。
When the cat is away, the mice will play.
山中无老虎，猴子称大王。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
语录网网友总结：When the going gets tough, the tough get going.
遇到逆境，顽强者逆流而上;艰难之路，唯勇者行！
第二个get 是不是也应该用单三的形式？,