soucieux

In a sentence

• Il est soucieux de son avenir.

  He is worried about his future.

  In this sentence, 'soucieux' reflects an individual's concern or worry about something important, showing a personal stake or emotional connection to the subject discussed.

• Marie semble toujours soucieuse lorsqu'elle parle de son travail.

  Marie always seems worried when she talks about her work.

  Here, 'soucieuse' describes someone's emotional state as visibly preoccupied or anxious, adding context to the speaker's observations about Marie.

• Nous devons être soucieux de préserver l'environnement.

  We must be mindful of preserving the environment.

  In this instance, 'soucieux' conveys a conscientious or caring attitude towards a responsibility, encouraging thoughtful consideration and actions regarding the topic.