粤典 (words.hk)香港词
放喺動詞前面，用嚟帶出一樣顯然易見嘅決定、行動，指無論如何都會咁做 (used in front of a verb, to bring out an obvious decision or action that should be taken no matter what; anyhow; in any case; by any means)
副詞用例
理得佢有冇用吖，有平嘢幾大都買咗先算。
lei5 dak1 keoi5 jau5 mou5 jung6 aa1, jau5 peng4 je5 gei2 daai2 dou1 maai5 zo2 sin1 syun3.
I don't care whether it's useful or not. It's a bargain, and obviously I should buy it immediately no matter what.