to make efforts to improve the areas where you are lacking
faire des efforts pour améliorer les domaines où vous avez des lacunes (faire des efforts pour améliorer les domaines où vous avez des lacunes)
"He is trying to work on his weaknesses to become more confident."
"Il essaie de travailler sur ses faiblesses pour devenir plus confiant." (Il essaie de **travailler sur ses faiblesses** pour devenir plus confiant.)
to gradually become deeply involved in a negative emotion
to recognize and appreciate distinct qualities
to remove or take away forcefully
to pay attention to your inner voice or emotions
to attend briefly or informally
to reserve all available places or tickets