overextend[ˈəuvəiksˈtend]

v.使…承担过多的义务，估计过高

• uncontrolled
• unconventional
• uncooked
• uncool
• uncountable
• uncover
• undeadly
• undecided
• undefeatable
• undefeated
• undeniable
• under
• under-
• underestimate
• underestimation
• undergraduate
• underground
• underground water
• underline
• underlined
• underlying
• underneath
• underpass
• undersea
• underside