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すぐ， 直ぐ
1. immediately, at once, right away, directly
2. soon, before long, shortly
3. easily, readily, without difficulty
4. right (near), nearby, just (handy)
5. honest, upright, frank, straightforward
立即，立刻
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火がつく， 火が付く， 火が点く， ひがつく
1. to catch fire, to be ignited, to ignite, to light (e.g. of a match)
2. to flare up (of an emotion, controversy, etc.), to blaze, to be ignited (of a dispute, commotion, etc.), to take off (of a boom, craze, etc.)
tbd
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
