His breath is getting weaker.

This train is very fast.

The high-speed train has arrived at the station.

His proposal was already perfect, but her opinion was an unnecessary addition.

I was surprised at his quick progress.

In this company, being late is not allowed as a principle.

It's difficult to find the convergence point of this problem.

All roads converge at this point.

We should abide by the rules of this club.

He speculated the result.