君子之交淡如水的英文：
A hedge between keeps friendship green.; The friendship between gentlemen appears indifferent but is pure like water.

参考例句：

Friends agree best at distance
君子之交淡如水

Friends agree best at a distance.
君子之交淡如水。

The friendship between gentleman appears indifferent but is pure like water.
君子之交淡如水。

A hedge between keeps friendship green
君子之交淡如水

A hedge between keeps friendship green.
一篱相隔，友谊常青(君子之交淡如水)。

hedge是什么意思：
n. 树篱；篱笆；界限；模棱两可的话
v. 防备；用树篱笆围住；围住；避免直接回答；修筑树篱

They are planted for hedges.
它们种起来当作篱笆。

the ditch and hedge [an obstacle]
篱沟| 篱濠[障碍

He hedged this morning.
今天早晨他修整了一下树篱。

between是什么意思：
prep. 在...之间；私下；来往于…之间；由…分担（分享）；总共
adv. 在中间

Between ourselves
秘密地说

Interaction between systems or between properties of a system.
系统间或一个系统的各种特性之间的相互作用。

You have your choice between the two.
在这两个之中，你有选择权。

keeps是什么意思：
v. 保持，处于；继续，重复；使耽搁；抚养；履行
n. 生活费，生活必需品

That news will keep.
那个消息留待以后再宣布。

They keep a shop.
他们经营一家商店。

How are you keeping?
你最近还好吧？