not but what造句

1、B: No Of course not But what for
当然不介意。但为什么呀？

2、SILENCE. Speak not but what may benefit others or yourself; avoid trifling conversation.
沉默寡言。言必于人于己有益；避免无益的谈话。

3、Silence – Speak not but what may benefit others or yourself; avoid trifling conversation.
惜言——除非对他人或自己有益，否则不要开口；避免闲扯。