has been underwhelming
Presente perfecto progresivo para el sujetohe/shedel verbounderwhelm.

underwhelm

Nevertheless, the response from authorities has been underwhelming.
Sin embargo la respuesta de las autoridades no ha sido satisfactoria.
Will we see efforts by the US to restore its image in world opinion, given that Obama's record so far has been underwhelming?
¿Se esforzará EEUU en restaurar su imagen ante la opinión pública mundial, dado lo decepcionante que está siendo la experiencia con Obama?
Palabra del día
la almeja