tom和玛丽去年订婚

Tom and Mary were engaged last year.

There's no point in continuing the debate.

Tom and Mary were engaged last year.
It is pointless to continue arguing

Tom and Mary got engaged last year.
It doesn't make sense to argue any more.

tom和玛丽去年订婚
Tom and Mary had an engagement last year.

在争论下去就没有意义了
It's useless to argue any further.