collins.user.js

// ==UserScript==
// @name        Collins download pronunciation links
// @namespace   http://www.guyrutenberg.com
// @description Add direct audio controls to Collin's Dictionary pronunciations.
// @include     http://www.collinsdictionary.com/dictionary/*
// @version     1.0
// @grant       none
// ==/UserScript==
//
//
// Change Log
// ==========
// 1.0: 2015-04-14
// * Initial release

var mp3_url = $('span.pron img').attr('onclick').match(/\/sounds.*mp3/);
$('span.pron').append('<audio controls src="' + mp3_url + '"></audio>');