it's not important; it's nothing; never mind; to have nothing to do; to be free[cedict]
不过
bù guòㄅㄨˋ ㄍㄨㄛˋ
only; merely; no more than; but; however; anyway (to get back to a previous topic)[cedict]
安全
ān quánㄢ ㄑㄩㄢˊ
safe; secure; safety; security[cedict]
还是
hái shìㄏㄞˊ ㄕˋ
or; still; nevertheless[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]