闭门造车 — Chinese idiom

Meaning

• lit. to shut oneself away and build a cart
• fig. to work on a project in isolation, without caring for outside realities

Character by character

• 闭bìto shut, to close; to obstruct, to block
• 门méngate, door, entrance, opening
• 造zàoto build, to construct, to invent, to manufacture
• 车chēcart, vehicle; to move in a cart

Idioms sharing a character

• 夜不闭户 yè bù bì hù
• 撒手闭眼 sā shǒu bì yǎn
• 深闭固拒 shēn bì gù jù
• 闭口不言 bì kǒu bù yán
• 闭口不谈 bì kǒu bù tán
• 闭月羞花 bì yuè xiū huā
• 闭门不出 bì mén bù chū
• 闭门塞窦 bì mén sè dòu
• 闭门觅句 bì mén mì jù
• 一门心思 yī mén xīn si

Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3). Retrieved 2026-10-22.