1.learn to 学会

Learn to use intuition and intelligence in tandem.
学会协调使用你的直觉和智力。

Everyone can learn to draw.
每一个人都可以学习画画。

2.allow to 允许

Allow to freeze solid for 3-4 hours or overnight.
允许冻结3-4小时或隔夜固体。

Apply solution to the tube and allow to become tacky.
在内胎上涂抹胶水并让它发粘。

3.not until 直到…才…

The answer is, probably not until 2010 or later.
答案是，也许直到2010年或者更晚的时候才会结束。

Not until the current crisis has faded from memory will banking be ready for another boom.
只有当这场危机从人们的记忆中褪色之后，银行业才能够准备好迎接另一轮繁荣。

4.by the time 到…时候为止；等到；比及

By the time their public finances went visibly wrong, it was too late.
等到它们的公共财政问题已经是显而易见、满目疮痍之时，已经为时晚矣。

By the time they returned almost a year later, his belongings and neighborhood were destroyed.
等到大概一年之后他们回到家乡，他的亲戚和邻居都已经不在了。