- 不(no; not; negation)
A bird flying swiftly upward and never willing to return represents the meaning of swift and unyielding.
tireless
He works tirelessly.
untiring
He studies tirelessly.
indefatigable
tireless
He works tirelessly.
untiring
He studies tirelessly.
indefatigable
A bird flying swiftly upward and never willing to return represents the meaning of swift and unyielding.
A bird flying swiftly upward and never willing to return represents the meaning of swift and unyielding.
tireless
tireless
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