We'll plan everything very carefully and leave nothing to chance.

我们将非常周密地筹划一切，决不留任何纰漏。

《牛津词典》

As for leaving their jobs he said: "You've got to plan it very carefully and do it over the months."

至于离开现在的工作，他建议称：“必须十分谨慎地计划并花上几个月的时间来处理这件事。”

youdao

Some people prefer to plan activities for their free time very carefully.

有些人为闲暇时间计划。

youdao

And as you recall in the very carefully deliberated upon plan that the President put forward for Afghanistan, that the number one objective was to dismantle and eventually defeat al Qaeda.

WHITEHOUSE: Press Briefing