An extremely unreliable person, yet extremely reliable in a certain sense.
In other words, someone who might not do reliable things but is very reliable when doing things.
For example, as the initiator and biggest proponent of this stalking plan, Tan Mo's preparations were undeniably thorough. The eavesdropping equipment he somehow acquired is just one part of it. Right now, he even pulled out a few knitted hats, and black masks and sunglasses matching his own style from his waist bag, urging softly: "Put them all on, put them all on! Let me tell you, that somebody just sent me a message saying those two 'Dawns' are waiting at the park entrance. We can't turn back now, either we hide properly and don't get caught, or if we're exposed, that person will teach us a lesson with food and drink, and take us on a walk by the banks of the Sanzu River!"
