feeling a sense of insecurity

The phrase 'sentir una sensación de inseguridad' translates to 'feeling a sense of insecurity' in English. It describes the emotional state in which a person experiences doubt, apprehension, or a lack of confidence, which can arise from various situations such as personal relationships, social interactions, or even one's self-image. This feeling can lead to anxiety or discomfort, as the individual may constantly worry about potential threats or negative outcomes in their environment.