小心翼翼的英文：
[Literal Meaning]
careful/discreet
to be careful and discreet

[解释]
翼翼：恭敬谨慎的样子。形容谨慎小心，一点都不敢疏忽。

[Explanation]
cautiously

[例子]
他小心翼翼地把玉佛从箱子里拿了出来。

[Example]
He took out the jade Buddha from its case cautiously

[英文等价词]
to mind one's p's and q's
carefully

Solicitous in doing sth.
小心翼翼做某事

He scrupulously avoided politics
他小心翼翼地避开政治问题。

he looked down, observed the discarded key and palmed it unobtrusively
他眼睛朝下看，找到那个被扔进去的钥匙，小心翼翼地把它拿到手中。

Gingerly , we pick our way over slippery rocks and prickly pine needles , down 49 dewcovered log steps to the shore
我们小心翼翼地走过滑溜的岩石，闪过那些多刺的松针，沿着被露水打湿的49级木台阶，向湖岸走去。

kid - glove reform
小心翼翼的改革

A cautious gambler.
小心翼翼的赌博者

To move stealthily or cautiously.
偷偷地或小心翼翼地走

She gingerly picked it up
她小心翼翼地把它拾起来。

He shaved warily over his chin
他小心翼翼地刮着下巴。

We had to be very careful not to be seen.
我们得小心翼翼，不能被发现。