The Blues racked up a huge 7-1 lead in Switzerland, but there will be no easing off the gas for the goal-hungry City players who will look to continue their fine start to the season.
“Regardless of the score, we want to win,” said Weir.
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“It’s about playing well and keeping a consistency. We won’t look at the score too much. We’ll focus on ourselves and we want another convincing win to get us through to the next round.
“It’s a Champions League game, we have to be professional and approach the game in the right way.
“We have to be at our best. We want goals and we want momentum going into the game at Everton.”
Weir, who has been in sparkling form in the first few weeks of the campaign, is taking each game as it comes.
Her stunning strike against Manchester United set the tone for the games that followed, but the 25-year-old Scotland star believes she can still do better.
“I’m not sure it’s the best form of my life,” smiled Weir.
“It’s been a good start to the season and it’s just about being consistent and helping the team. It’s early days but it’s nice to score goals and help the team.”
Weir also paid tribute to Pauline Bremmer’s early season form, with the German striker scoring six goals in her last three games.
She said: “It shows the depth of the squad. Pauline has come back and she’s on fire at the moment, scoring goals when we need her to.
“It’s always good when you get a number of goal scorers. We’ve got a lot of talented players who can score goals, so that’s a positive.
“Pauline’s a great target player. She’s a natural finisher in the box and sometimes that’s we need.
“She always pops up with a goal. She’s looking good this season.”
