The huge waves on the distant sea can be plainly seen.

远处海面上的巨浪清晰可见。

The old man cultivated plainly all his life and never did anything bad.

这位老人一生朴素耕作，从未做过坏事。

The hostess asked the maid to plainly set the tableware.

女主人让佣人简单摆放一下餐具。

He was very tall and plainly dressed.

他个子很高，穿着朴素。

The first was the so-called "hidden people"—or, to put it more plainly, elves.

第一个是所谓的“隐藏的人”——或者更直白地说，是精灵。

To put it plainly, he's a crook.

实话实说吧，他是个骗子。

He was plainly annoyed.

他明显是生气了。

The judge's conclusion was plainly wrong.

法官的结论显然是错误的。