Sentence:  He lost no time in bursting into speech. “Bertie! I've been hunting for you all over the place!” “I was having a chat with Swordfish in his pantry. Something wrong?” “Something wrong!” “Don't you like the Red Room?” “The Red Room!” I gathered from his manner that he had not come to <WSD>beef</WSD> about his sleeping accommodation. “Then what is your little trouble?” 
Meaning of the word marked with <WSD> tags:  To complain.