Nhung Ngo had nearly the shortest legs at Site-43. She was one of the shortest members of staff, though seven inches above beneath the positively elfin Delfina Ibanez, and yet Lillian found her inexplicably difficult to shake. Power-walking down the halls didn't do the trick, as it always did when Wettle-dodging, since the diminutive headshrink kept disappearing into commissaries or service corridors or even other people's offices and emerging, smiling, in front of her.
Source: wiktionary