The work on an iPhone production line is demanding: at first Liu found her fingers and forearms ached every day.
The style of writing is demanding at first, but eventually coheres into a deep emotional connection with the book's main character.
Know that hill training is very demanding at first because you are using muscles that you rarely use when just straight running.
"How many more names will be added to the wall before we admit it is time to leave?" Representative Robert Wexler, of Florida, demanded at the first of three hearings before House and Senate committees.
"They need to answer these questions or this is going to blow up," one federal executive member said, saying answers would be demanded at the first federal executive meeting of the year on 6 March.
This was less than the 4 years demanded at the first trial for Dray, who was also accused of corruption over foreign human growth hormone purchases.
They don't demand attention at first but these are elaborate yet restrained constructions with details to behold, like the soulful Hammond organ on "County Line" or the medieval woodwind, the chalumeau, on the nine-minute closer, "A Knock Upon the Door".
The ball swing is a demanding exercise at first.
Global pharmaceutical companies succumbed to their demands, at first out of fear of guerrilla protests, later out of respect for their minds.
"Over the past four years we've seen every government resist their demands at first, but give in eventually".Mr Samaras hopes to shrink and perhaps reverse Syriza's lead over the course of the campaign.
