Time is money (99下~ week 3)

(1) idiom: Time is money.
(2) meaning: Time is valuable(珍貴), so don't waste(浪費) it.
(3) example:

I can't afford to spend a lot of time standing here talking. Time is money, you know!

come to light(99上~week17)

(1)idiom: come to light
(2)meaning:  to become known or to be discovered. 被發現、揭露；真相大白
(3)example:

Many surprises have come to light since(自從) then.

(to get) cold feet(99上~week15)

(1) idiom: to get cold feet
(2) meaning: fear of doing something. 膽小、害怕做某事。事到臨頭打退堂鼓; 臨陣退縮
(3) example:

 Sandy said I should try bungee jumping(高空彈跳), but I had cold feet.

As you sow, so shall you reap

(1) idiom:  As you sow, so shall you reap 種瓜得瓜，種豆得豆

(2) meaning:  Things will happen to you good or bad, according to how you behave. 根據你的行為表現，事情的結果就會有好或有壞。(出自聖經詩篇126:5)

(3) example:  You should stop being so cruel(殘酷) to other people. As you sow, so shall you reap.

(4)說明：sow~種植，reap~收割