tread lightly

基本解释

I’m the pebble in your shoe, reminding you to tread lightly.
我是你鞋里的鹅卵石，随时提醒你小心行事。
You will still have the same floating gracefulness of movement, and no dancer will ever tread so lightly;
你将仍旧会保持你像游泳似的步子，任何舞蹈家也不会跳得像你那样轻柔。
Yet success in this field is so hard to reliably predict that research has been limited and even venture capitalists tread lightly.
然而很难准确预测这个领域什么时候会成功，因为研究有限甚至一些冒险的资本家也是小心翼翼。

This past cabinet member for climate change knew to tread lightly on that.
FORBES: Penny Wong Bombs in Sydney
This caused me to tread lightly at the outset of my physical recovery, paralyzed with the fear of a recurrence.
FORBES: Five Years After A Brain Aneurysm, Fear Of Dying Can't Make Me Quit Living
Congress would do well to tread lightly: Market forces are the primary driver for the rise in oil and gasoline prices.
FORBES: Washington And Oil: First Do No Harm