1, sneaking through blocked waters or areas, now refers to sneaking across the border.

2. Synonym evasion.

3. Smuggling across the border refers to the act that a natural person violates the laws and regulations governing the entry and exit of the country (border), and can be investigated for administrative or criminal responsibility when crossing the national border or passing the legally fictitious national border without passing through the designated port or border inspection, or without exit permit or entry permit. It is illegal to cross the country (border) illegally.