If you say you will act only when everything is just right, you will do nothing all your life.

若你说你要等到事事顺利才做，你将一事无成。

youdao

If you sit back, shrug, and say you can't do anything, their interests will prevail over yours.

如果你袖手旁观，耸耸肩，说你无能为力，他们的利益就会压倒你的利益。

youdao

If you have something to say and you think others will be interested as well, then consider making a podcast or videocast.

如果你有什么话要说，你认为别人也会感兴趣，那么就考虑一下做一个播客或视频广播。

youdao

She praises my work. She might even say "I will scratch your back if you will scratch mine."

VOA: special.2010.01.24

If then You slay this people to a man, the nations who have heard Your fame will say, 'It must be because the Lord was powerless to bring that people into the land He had promised them on oath that He slaughtered them in the wilderness.

如今你若把这些人杀了，那听到你名声的国家会说,耶和华因为不能把这些人领进,向他们起誓的应许之地,所以在旷野中把他们杀了。

耶鲁公开课 - 旧约导论课程节选

Yes, if you are going to do that, I would say you are probably will be the first.

嗯，这样说的话，你可能真的是第一人。

普林斯顿公开课 - 人性课程节选

If you say you will buy as much X as there can possibly be, you will get a lot of X, and you will spend a lot of money.

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If you try it aloud, you will probably say it rather softly, conversationally.

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The obvious caveat here is if you are dead sure you will die in the near term, say before age 80.

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