He said: 'We are starting to work with him, we have to check his physical condition. "The World Cup is taking place in the summer", he said in a statement.
"He's fit, he's been playing the last period", Guardiola said.
Spurs presented Lucas to the Wembley crowd at half-time of their win over Manchester United after finalising his arrival from Paris Saint-Germain, and Stoke City spent big to bring in Badou Ndiaye from Galatasaray.
This is published unedited from the PTI feed. "We will be patient because he doesn't come for three months, he comes for five years".
City paid a club-record record fee of 57 million for young French centre-back Aymeric Laporte from Athletic Bilbao, whose deal was confirmed on Tuesday. In fact, Giroud's total of 17 substitute goals is nearly twice as high as anyone else's.
Various landing spots had been mooted for the 31-year-old, with Everton and Marseille among those to have expressed interest in the past.
His deadline day transfer paved the way for striker Michy Batshuayi to join Borussia Dortmund on loan for the rest of the season, after BVB's Pierre-Emerick Aubameyang joined Arsenal earlier on deadline day for £56m.
"On the other side, the World Cup is coming, Chelsea are coming for you, they're ahead of Arsenal at the minute, Arsene is not playing you", he continued.
His best year came during the 2015-16 campaign, when he totaled 24 scores in 53 matches.
Brazil winger Lucas challenged his new Spurs team-mates to win the Champions League after arriving from PSG for a reported 25 million.
Chelsea battles Bournemouth at 2:45 p.m. EST Wednesday in Premier League Action at Stamford Bridge in London.