Secretive and underhanded; intended to avoid being found out.

• Dishonest or deceitful in behavior or intent.

鬼鬼祟祟的，为了不被发现而行事。

• 行为或意图不诚实、带有欺骗性。

Moving quietly or furtively to avoid notice.

• Stealthy or sly in manner.

动作轻巧隐秘，为避人耳目。

• 举止悄然、带有潜行的意味。

Indirect or subtly done without drawing attention.

• Informal: unexpectedly effective or good in a quiet way.

间接或巧妙地进行，不引人注意。

• 口语：不显眼却很有效或很好。