Based on the provided information, 'Tears at night' does not contain identifiable LGBTQ+ characters or themes. Consequently, an assessment of its portrayal of queer identity cannot be made.

Due to the absence of any provided plot details or character information for the film {黃飛鴻威震四牌樓} (1955), an evaluation of its portrayal of transsexual characters and themes cannot be conducted. Therefore, the net impact is deemed N/A.

The movie does not contain any action or adventure elements.

The film "Tears at night" (1955) is an original production. Its characters were created specifically for this movie, meaning there are no prior established canonical or historical figures whose gender was altered for this portrayal.

The film "Tears at night" (1955) is an original Egyptian drama. There is no evidence it is an adaptation of prior material, a biopic, or a reboot with pre-established characters whose race could be swapped.