後顧之憂 [ㄏㄡˋ ㄍㄨˋ ㄓ ㄧㄡ; hou4 gu4 zhi1 you1] fears of trouble in the rear (idiom); family worries (obstructing freedom of action) worries about the future consequences often in negative expressions, meaning "no worries about anything" ◄ ►