理亏

in the wrong

texture / grain (of wood) / inner essence / intrinsic order / reason / logic / truth / science / natural science (esp. physics) / to manage / to pay attention to / to run (affairs) / to handle / to put in order / to tidy up

deficiency / deficit / luckily / it's lucky that... / (often ironically) fancy that...

to know that one is in the wrong (idiom)