not to mind taking all the trouble (idiom); to take great pains; to be very patient
trad. 不厭其煩
Also written 不厭其煩【bù yàn qí fán】
not to mind taking all the trouble (idiom); to take great pains; to be very patient
trad. 不厭其煩
Also written 不厭其煩【bù yàn qí fán】