Obsessed with multiple languages

Japanese commonly used "obsession": しゅぅねん means "persistence; Revenge "

"Obsessive" means almost persistent in Chinese. Guo Moruo's Can Chun: "Our obsession with life is getting deeper and deeper." Feng Zhi's poem "Curtain": "I'd rather die of my obsession, and my heart is frozen like ice."

English:

1. Not flexible

Step 2 stick to it

Japanese: しゅぅねん

Supplementary answer:

The more formal translation of "fetters" in English is: trammels fetters; Yoke; Chains; Jumper, the specific choice depends on the context.

Japanese translation:

Fetter: きはん

Roman in Black: Keehan

China analog voice: Khan