用尽旁门左道
[yòng jĭn páng mén zuŏ dào]
'用尽旁门左道' literally means using all unorthodox or unconventional methods. In Chinese idiom context, it refers to employing all sorts of irregular tactics, not necessarily limited to negative or cunning tricks, but could be interpreted broadly to mean exploring outside-the-box approaches in problem-solving. The user may see him/herself or their way of doing things creatively unconventional