We crept around on tiptoes so as not to disturb him.

为了不他，我们都踮起脚尖走路。

I do not want to intrude if you are busy.

如果忙我就不了。

Contrariwise, if you suspect your question is too dumb for a mailing list, it's not an excuse to harass individual developers.

反之，如果自认为的问题蠢，那也不值得任何一位员。