铁板钉钉
tiěbǎndìngdīng
铁板钉钉 — tiěbǎndìngdīng
- absolutely certain; nailed down; beyond dispute
这件事已经铁板钉钉了，谁也改变不了。 zhèjiàn shì yǐjīng tiěbǎndìngdīng le shuí yě gǎibiàn bùliǎo — This matter is already iron-clad; no one can change it.
tiěbǎndìngdīng
这件事已经铁板钉钉了，谁也改变不了。 zhèjiàn shì yǐjīng tiěbǎndìngdīng le shuí yě gǎibiàn bùliǎo — This matter is already iron-clad; no one can change it.