参与（讨论等）；对……发表意见

weighed in───加入比赛；比赛前量体重；参加辩论

letted in on───同意

walked in on───撞见；不期而遇；突然进来

weighed down───使颓丧；压低；重于

zeroed in on───向…集中注意力；对准…

get in on───参加

lighted into───照亮

O.K., the speaker hasn't actually weighed in on our plans for the evening.───当然了，议长大人实际上并没有替我们权衡晚间的计划。

Senior military officers weighed in on both sides.───高级军官已经做了双向的衡量。

The Obama administration has also weighed in on the matter.───奥巴马政府也在关注此事。

So far, the Bocog hasn't weighed in on the matter, putting advertisers in a quandary as they put finishing touches on their Olympics plans.───由于北京奥组委一直未出面澄清此事，这令希望敲定奥运宣传计划的广告客户们陷入了进退两难的境地。

"For one, the Hubble Space Telescope has weighed in on dark energy by virtue of the measurements of supernovae, " he said.───“例如，在超新星测量方面具有优势的哈勃太空望远镜已被用于暗能量项目，”他说。

That even if the president was paralyzed, ". . . his mind was clear and untouched. " Edward Weinstein also weighed in on these questions.───即使总统瘫痪，“……他的思维还清晰而且未受影响，”爱德温·温斯坦也参加了这些问题的辩论。

It's an age-old business question, one we've discussed before and that every expert has weighed in on at least once.───这是一个老生常问的商业难题。这个难题我们以前也有过讨论，众多专家也曾一直争辩不休。

The topics ranged from the contents of that desk's drawer to whether God existed. He often weighed in on major news topics.───话题内容可以从桌子抽屉里的东西一直讲评到上帝是否存在，同时他也经常参与重大新闻话题的讨论。

Cooler heads have weighed in on rare earths, but since the frenzy began they've largely been ignored.───曾有更冷静的头脑对稀土产业做出过评估，但自从投资狂热开始后他们大部分都被忽视了。

For decades experts have weighed in on the pros and cons of corking bottles.

I weighed in on Monday, got blood pressured, then drove through blinding rain into the Guildford one-way system.