solely engrossed in one thing; just (one thing, no need to worry about the rest); simply; by all means; please feel free; do not hesitate (to ask for sth)[cedict]
把
bǎㄅㄚˇ
bàㄅㄚˋ
to hold; to contain; to grasp; to take hold of; a handle; particle marking the following noun as a direct object; classifier for objects with handle[cedict]
handle[cedict]
补税
bǔ shuìㄅㄨˇ ㄕㄨㄟˋ
pay a tax one has evaded; pay an overdue tax[cedict]