like: làm ngay → →
the business is very urgent and must be seen to right away ☊ 
việc rất là cần, phải làm ngay lập tức ☊ I could do it now, if you like. ☊ could ☊
regret sth: If you don't do it now, you'll only regret it. ☊ regret ☊
I'll do it straight away. ☊ straight away ☊
Do it now please—not in three hours' time (= three hours from now). ☊ time ☊