The speaker's observations on the subject were beside the mark.

He is a <u><em>person after my own heart</em></u>.

At one's beck and call

Rahul fought <u><em>tooth and nail</em></u> to save his company.

To hit the nail on the head

Govind has left his country <u><em>for good</em></u>.

His best jokes <u><em>fell flat</em></u>.

To live in clover

He <u><em>bids fair</em></u> to be an excellent cricketer.