Without bypassing the firewall, you can't use Google.
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culture
Literally 'to climb over the wall' — the 'wall' being the 防火长城 (Great Firewall of China). Coined in the mid-2000s after authorities began blocking foreign sites. A close cousin is 科学上网 ('scientific internet access'), a slightly more euphemistic phrase used to dodge keyword filters.
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Sensitive vocabulary. Usable among friends, on private chats, and in foreign-language contexts, but risky to search openly on mainland platforms. 梯子 (tīzi, 'ladder') is a common code-name for a VPN tool used to 翻墙.