搂草打兔子——顺手

喻很容易，很方便，毫不费事。

• 蹈拾
• 蹈据
• 蹈故
• 蹈故习常
• 蹈敌
• 蹈方
• 蹈方守直
• 蹈方履正
• 蹈机握杼
• 蹈武
• 蹈死
• 蹈水
• 蹈汤赴火
• 蹈沧州
• 蹈沧海
• 蹈流
• 蹈海
• 蹈海之危
• 蹈涉
• 蹈火
• 蹈火探汤
• 蹈火赴水
• 蹈火赴汤
• 蹈爨
• 蹈瑕
• on-the-nod
• on the off chance that
• on-the-other-hand
• on the other hand
• on the other side
• on-the-pad
• on-the-part-of
• on-the-point-of
• on the quiet
• on (the) record
• on the record
• on the road
• on-the-rocks
• on-the-run
• on-the-same-page
• on-the-shelf
• on-the-side
• on the side
• on the sidelines
• on the spot
• on the spur of the moment
• on-the-spur-of-the-moment
• on-the-square
• on the stocks
• on the strength of sth