discreet
adj
careful or showing good judgement in what one says or does; not too obvious 言谈举止谨慎的; 言行审慎的; 不显眼的
We must be extremely discreet; my husband suspects something. 我们必须极为小心才是, 我丈夫已起疑了.
I should make a few discreet enquires about the firm before you sign anything. 我应该先审慎打探一下这家公司的底细, 然後您再签字.
(fig 比喻) a discreet perfume, ie one that is not too obvious 香气清淡的香水.
Don't wait any longer. Pass judgement on me and give Shylock what he wants.
别再等待了。对我宣判吧,把夏洛克想要得到的东西给他。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.