How to say "Immediately" in Japanese

When translating "immediately" into Japanese, you must choose carefully between 早速 and いちはやく. In Japanese, 早速 (さっそく (sassoku)) is typically associated with "immediately, right away, without delay" (Syllabus Level: N3) and represents Used to express that an action is taken quickly after an event or decision, or without hesitation. It often implies responding promptly to an opportunity or situation.. On the other hand, いちはやく (いちはやく (ichihayaku)) maps to "immediately, quickly, promptly; at the earliest stage" (Syllabus Level: N2) and represents Emphasizes speed and being among the first to react or act. Implies seizing an opportunity or recognizing something early.. A literal translation of "immediately" can often sound unnatural to native Japanese speakers if mixed up!