Gustave has taken it upon himself to observe Marion and Sanglain following the death of the Princess and DT.   But KT thinks Gustave is in the city of Marquesas for other reasons. 
putting a rope around his neck.
tenía que poner una soga 
alrededor de su cuello.
aunque hiciera falta atarle una correa al cuello.
acabar colocando uma
corda em seu pescoço.