elaborate

The palace was famous for its elaborate gardens and golden fountains.

(Chinese) 这座宫殿以其精心设计的花园和金色的喷泉而闻名。

They came up with an elaborate plan to surprise their mother on her 50th birthday.

(Chinese) 他们想出了一个周密的计划，准备在母亲50岁生日时给她一个惊喜。

Please elaborate on your proposal; we need more details before making a decision.

(Chinese) 请详细说明你的提议；在做决定之前我们需要更多细节。