Thing might 'appen anybody.

He complained to Ted about it when 'e got 'ome, and Ted promised as it shouldn't 'appen agin.

This set the engineer to muttering threats against the stranger who had stolen the submarine, and caused him for the hundredth time to remark: "H'I 'ates t' think what'll 'appen t' 'em, once h'I gets me 'ands on 'em.