It would be mean to suspect him.
Don't run after him.

No, no, not for the world!' 'Is it really gone though ?' said Dick, looking at Brass with a face as pale as his own.
'Upon my word, Mr Richard, Sir,' replied the lawyer, feeling in all his pockets with looks of the greatest agitation, 'I fear this is a black business.

It's certainly gone, Sir.

What's to be done ?' 'Don't run after him,' said Miss Sally, taking more snuff.

'Don't run after him on any account.