叵测

unfathomable; unpredictable
人心～men’s hearts are hard to fathom/心怀～harbor dark designs;nurse evil intentions/居心～ with hidden intent; with ulterior motive

• mechanical advantage
• mechanical engineering
• mechanics
• mechanism
• mechanized warfare
• mechelen
• mechnikov，ilya
• mecklenburg
• mecklenburg declaration of indep endence
• mecon
• medal
• medal of honor
• medan
• medawar，sir peter brain
• meddle
• meddling
• medea
• medea:
• medellin
• medes
• medford
• media
• mediacy
• medi(a)eval
• mediagenic