English translation of '孜孜不倦'

• spottily
• spottiness
• -spotting
• westphalian
• west point
• west pointer
• westpreussen
• west prussia
• west riding
• west saxon
• west-southwest
• west sussex
• west timor
• west turkestan
• west valley city
• west virginia
• west virginian
• westward
• westwardly
• westward(s)
• westwards
• westwood
• west yorkshire
• wet
• weta