宽待的英文：
treat with leniency

treat是什么意思：
v. 对待；看待；医治；处理；探讨；请客
n. 款待；乐趣

Treat other people as you hope they will treat you. —— Aesop
你希望别人如何对待你，你就如何对待别人。——伊索

He was treated with great rigor.
他受到极为苛刻的待遇。

Whose turn is it to treat next?
下次该谁请客了？

treated, coated, or impregnated with rubber.
用橡胶处理，涂上或注入橡胶。

heat treating oil
热处理用油

leniency是什么意思：
n. 宽大,深情,慈悲为怀

And leniency for commerce in general and severity for commercial speculation
普通商业从宽，投机商业从严。

In enacting laws, severity is essential; in executing laws, leniency should be tempered with justice
立法不可不严;行法不可不恕