Possible Clues:

• Chap is not completely brave at takeaway, in a manner of speaking
• Most widely spoken native language in the world (with 900+ million speakers)
• Language with the highest number of native speakers
• Guy is not completely sticking his neck out for old Asian boxers in the Republic, it's heard
• Chap is not completely brave opening 22 across, in a manner of speaking
• Language spoken by a billion
• Language for Whitehall type to take away, perhaps
• Devices including wrong and right in European language
• Asian language spoken by nearly a billion people
• Fruit and dairy produce that's got in to replace English variety of tongue