懈 ⇒
无懈可击 wúxièkějī, [無懈可擊], invulnerable
坚持不懈 jiānchíbùxiè, [堅持不懈], to persevere unremittingly (idiom); to keep going until the end
松懈 sōngxiè, [鬆懈], to relax/to relax efforts/to slack off/to take it easy/complacent/undisciplined
不懈 bùxiè, untiring/unremitting/indefatigable
懈怠 xièdài, slack/lazy/remiss
不懈努力 懈 xiè, lax/negligent
怠 ⇒
怠慢 dàimàn, to slight/to neglect
倦怠 juàndài, worn out/exhausted/dispirited
懈怠 xièdài, slack/lazy/remiss
怠 dài, idle/lazy/negligent/careless
消极怠工 怠工 dàigōng, to slacken off in one's work/to go slow (as a form of strike)