Tread carefully
小心涉足
?? 詞語組成解析
tread
[tr?d]
vi. 踩，踏;行走;交尾;
vt. 踩成;踏出;步行于;踩（爛）;
n. 踏，踩，走;交尾;（樓梯的）踏板;輪胎接觸地面的部分;
carefully
['k?rf?li]
adv. 小心謹慎地;警惕地;仔細地;周密地;
??? 情景例句
We've got a lot to talk about.
我們有很多可商量的了。
We must make it clear from the very beginning that competitive quotations are acceptable.
必須一開始就講清的是，有競爭力的報價可以接受。
I'm afraid it's empty.
恐怕盒子是空的。