[满不在乎 / 滿不在乎, mǎn bù zài huㄇㄢˇ ㄅㄨˋ ㄗㄞˋ ㄏㄨ˙] not in the least concerned (成语 saw); reckless; couldn't give a damn about it; unperturbed; couldn't care less; harum scarum#37742
[机不可失,时不再来 / 機不可失,時不再來, jī bù kě shī, shí bù zài láiㄐㄧ ㄅㄨˋ ㄎㄜˇ ㄕ, ㄕˊ ㄅㄨˋ ㄗㄞˋ ㄌㄞˊ] opportunity knocks but once (谚语 proverb); a chance not to miss; Seize the occasion, it will not return., See Also: 谚语