1.
be a good [bad] swordsman
善于 [不善] 剑术
2.
"And equally if every one recognizes virtue as virtue, this would merely create fresh conceptions of wickedness."
皆知善之为善, 斯不善矣
3.
He who do no good do evil enough.
不为善者多为不善。
4.
a good [ bad ] mixer
[口]善于[不善于]交际的人
5.
To administer or manage inefficiently or dishonestly.
对…管理不善不善或马虎地执行或管理
6.
a good, poor, etc map-reader
善于、 不善于...利用地图的人
7.
Then accept what is good and criticize what is bad.
然后择其善者而从之，其不善者批判之。
8.
It is none of my talent to preach.
我是一个不善于劝善的人。
9.
Raymond is good mixer/Bad mixer.
雷蒙德普善于交际/不善于交际
10.
He is a duffer at golf.
他不善于打高尔夫球。
11.
I am very bad at judging distance .
我很不善于判断距离。
12.
That knock sounded to me as if someone was up to mischief.
这种敲门有点来意不善。
13.
To brag of the good you have done will never impress anyone.
善欲人见，不是真善；
14.
God comes with leaden feet, but strikes with iron hands.
善有善报，恶有恶报，不是不报，时间未到。
15.
Leges imperfectae
不完全法，不完善法
16.
the state or an instance of being imperfect.
不完美不完善的状态。
17.
We call meanness nobility and hatred honor.
我们善恶不分，是非不明。
18.
A good traveler leaves no trace. A good speaker makes no slips. A good accountant uses no devices. A good door needs no bolts to remain shut. A good fastener needs no rope to hold its bond.
善行无辙迹,善言无瑕谪;善数不用筹策;善闭无关楗而不可开,善结无绳约而不可 解。